Difference between revisions of "Timeline of contact tracing in the COVID-19 pandemic"

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This is a '''timeline of FIXME'''.
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This is a '''timeline of {{w|contact tracing}} in the {{w|COVID-19 pandemic}}''', mainly focusing on {{w|smartphone}} {{w|application software}} launches.
  
 
== Sample questions ==
 
== Sample questions ==
  
The following are some interesting questions that can be answered by reading this timeline:  
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The following are some interesting questions that can be answered by reading this timeline:
 +
* What are some important events during the COVID-19 pandemic described on the timeline as a context?
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** Sort the full timeline by "Event type" and look for the group of rows with value "Background".
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* What are some of the numerous contact tracing applications for mobile phone being launched during the pandemic?
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** Sort the full timeline by "Event type" and look for the group of rows with value "{{w|Mobile app}} launch"
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** You will mostly see applications launched by official entities.
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* What are some userbase figures illustrating penetration of contact tracing apps among the public?
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** Sort the full timeline by "Event type" and look for the group of rows with value "Userbase".
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* What are some illustrative educational efforts launched during the pandemic with the purpose to train people on contact tracing?
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** Sort the full timeline by "Event type" and look for the group of rows with value "Education".
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** You will see a number of courses, illustrating the trend followed by multiple universities.
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* What are some of the several protocols launched to facilitate digital contact tracing during the pandemic?
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** Sort the full timeline by "Event type" and look for the group of rows with value "Protocol introduction".
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** You will see a number of releases, including {{w|Exposure notification}} by {{w|Google}} and {{w|Apple Inc.}}
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* What are some of the numerous notable cases involving contact tracing and the issue of digital privacy?
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** Sort the full timeline by "Event type" and look for the group of rows with value "{{w|digital privacy}}".
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** You will see a number of events describing cases of digital privacy violation, most often by official entities.
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* What are some examples of performance of contact tracing programs conducted by national governments?
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** Sort the full timeline by "Event type" and look for the group of rows with value "Performance".
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** You will see some successful cases of contact tracing programs (mostly countries in {{w|East Asia}}) as well as some failing to reach expected results (e.g. {{w|United States}}).
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* Other events are described under the following types: "{{w|Database}} launch", "Manual contact tracing", "Notable case", "Organization", "Partnership", "Program shutdown", "Protocol integration", and "Tool launch".
  
==Big picture==
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== Big picture ==
  
 
{| class="wikitable"
 
{| class="wikitable"
! Time period !! Development summary !! More details
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! Time period !! Development summary  
 +
|-
 +
| December 2019 – January 30, 2020 || Initial period starting with the {{w|COVID-19}} outbreak in {{w|Wuhan}}. Interest in contact tracing begins already in late 2019.
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|-
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| January 30, 2020 – December 2020 || Period starting with the {{w|World Health Organization}} declaring COVID-19 a {{w|Public Health Emergency of International Concern}}. Right away, contact tracing for COVID-19 cases starts beig mandated in countries all over the world. Digital contact tracing via smartphone apps is established as a new public-health intervention.
 +
|-
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| December 2020 onwards || Period starting with the rollout of [[w:COVID-19 vaccine|several vaccines]] in developed countries. By 2021, contact tracing is found to be effective in some countries like {{w|South Korea}}, {{w|Vietnam}}, {{w|Japan}} and {{w|Taiwan}}<ref>{{cite web |title=COVID-19 Contact Tracing Device Balances Workplace Safety with Privacy |url=https://www.manufacturing.net/home/article/21342639/covid19-contact-tracing-device-balances-workplace-safety-with-privacy |website=Manufacturing.net |access-date=24 March 2021 |language=en-us |date=23 March 2021}}</ref>, but not very effective in many countries, often in the [[w:Western World|West]].<ref name="Why many">{{cite web |last1=Lewis |first1=Dyani |title=Why many countries failed at COVID contact-tracing — but some got it right |url=https://www.nature.com/articles/d41586-020-03518-4 |website=Nature |access-date=24 March 2021 |pages=384–387 |language=en |doi=10.1038/d41586-020-03518-4 |date=14 December 2020}}</ref>
 
|-
 
|-
 
|}
 
|}
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 +
== Visual data ==
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 +
=== Google Trends ===
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 +
The comparative chart below shows {{w|Google Trends}} data for Contact tracing (Topic) and Contact tracing (Search term), from January 2004 to March 2021, when the screenshot was taken. Interest is also ranked by country and displayed on world map.<ref>{{cite web |title=Contact tracing |url=https://trends.google.com/trends/explore?date=all&q=%2Fm%2F05rbkm,Contact%20tracing |website=Google Trends |access-date=19 March 2021}}</ref>
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[[File:Contact tracing gt.png|thumb|center|600px]]
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=== Google Ngram Viewer ===
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The chart below shows {{w|Google Ngram Viewer}} data for Contact tracing, from 1900 to 2019.<ref>{{cite web |title=Contact tracing |url=https://books.google.com/ngrams/graph?content=Contact+tracing&year_start=1900&year_end=2019&corpus=26&smoothing=3&direct_url=t1%3B%2CContact%20tracing%3B%2Cc0#t1%3B%2CContact%20tracing%3B%2Cc0 |website=books.google.com |access-date=19 March 2021 |language=en}}</ref>
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[[File:Contact tracing ngram.png|thumb|center|700px]]
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=== Wikipedia Views ===
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The chart below shows pageviews of the English Wikipedia article {{w|Contact tracing}} on desktop, mobile-web, desktop-spider, mobile-web-spider and mobile app, from July 2015; to December 2020. An explosive growth of interest can be seen during the {{w|COVID-19 pandemic}}.<ref>{{cite web |title=Contact tracing |url=https://wikipediaviews.org/displayviewsformultiplemonths.php?page=Contact+tracing&allmonths=allmonths-api&language=en&drilldown=all |website=wikipediaviews.org |access-date=19 January 2021}}</ref>
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[[File:Contact tracing wv.jpeg|thumb|center|400px]]
  
 
==Full timeline==
 
==Full timeline==
  
 
{| class="sortable wikitable"
 
{| class="sortable wikitable"
! Year !! Month and date !! Event type !! Details !! Location
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! Year !! Month and date (approximately) !! Event type !! Details !! Location
 
|-
 
|-
| 2020 || February 11 || || "China launches coronavirus 'close contact detector' app”<ref name="inalau">{{cite web |title=China launches coronavirus 'close contact detector' app |url=https://www.bbc.com/news/technology-51439401 |website=BBC News |access-date=19 January 2021 |date=11 February 2020}}</ref> ||
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| 2019 || December || Background || Contact tracing and medical surveillance begins in {{w|Wuhan}}, after a number of "pneumonia cases" related to a local seafood market is reported.<ref>{{cite web |title=China: Pneumonia cluster reported in Wuhan, Hubei Province, Agent still unknown |url=http://outbreaknewstoday.com/china-pneumonia-cluster-reported-in-wuhan-hubei-province-agent-still-unknown-92590/ |website=Outbreak News Today |access-date=23 March 2021 |date=31 December 2019}}</ref> || {{w|China}}
 
|-
 
|-
| 2020 || February || || {{w|PathCheck}} "Founded at MIT in the research group of Prof. Ramesh Raskar, PathCheck Foundation is 501(c)3 charitable organization dedicated to creating healthy and resilient communities by containing the pandemic, revitalizing the economy, and preserving the privacy of individual citizens. " "PathCheck was founded in February, 2020, at MIT by a passionate community of people and organizations to contain the spread of COVID-19 and help revitalize economies without sacrificing personal privacy. We’ve been pioneers in digital contact tracing and exposure notification technology. Their original technology was based on the MIT Private Kit"<ref>{{cite web |title=PATHCHECK FOUNDATION |url=http://okosvaros.lechnerkozpont.hu/en/node/873 |website=okosvaros.lechnerkozpont.hu |access-date=16 January 2021}}</ref><ref>{{cite web |title=PathCheck |url=https://www.pathcheck.org/en/about |website=pathcheck.org |access-date=16 January 2021}}</ref> ||
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| 2020 || January 23 || Background || The {{w|Government of China}} imposes a lockdown in {{w|Wuhan}} and other cities in {{w|Hubei}} in an effort to quarantine the center of the outbreak of {{w|COVID-19}}.<ref>{{cite web |title=China coronavirus: Lockdown measures rise across Hubei province |url=https://www.bbc.com/news/world-asia-china-51217455 |website=BBC News |access-date=24 March 2021 |date=23 January 2020}}</ref> || {{w|China}}
 +
|-
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| 2020 || January 23 || Background || The first COVID-19 case in Vietnam is diagnosed.<ref>{{cite web |last1=Team |first1=Content |title=THE PANDEMIC – What Canada Should Have Done and Should Be Doing {{!}} SaultOnline.com |url=https://saultonline.com/2021/04/the-pandemic-what-canada-should-have-done-and-should-be-doing/ |website=saultonline.com |access-date=4 April 2021 |language=en-CA}}</ref> Very early, realizing that an effective tracing system is the most critical component of the pandemic response, this country would immediately develop and implement a thorough, accurate and centralized contact tracing system consisting in three levels, with all of those affected people being tested immediately.<ref name="sdwrr">{{cite web |last1=Jha |first1=Prof Pankaj |title=Vietnam’s efforts against COVID-19: An Assessment |url=https://moderndiplomacy.eu/2021/03/18/vietnams-efforts-against-COVID-19-an-assessment/ |website=Modern Diplomacy |access-date=4 April 2021 |date=18 March 2021}}</ref><ref>{{cite web |title=Doing it better: The lesson from Vietnam – The Manila Times |url=https://www.manilatimes.net/2021/03/23/business/columnists-business/doing-it-better-the-lesson-from-vietnam/854362/ |website=www.manilatimes.net |access-date=4 April 2021}}</ref> || {{w|Vietnam}}
 
|-
 
|-
| 2020 || March 9 || || "Spying concerns raised over Iran's official COVID-19 detection app”<ref name="Cimpcatal">{{cite web |last1=Cimpanu |first1=Catalin |title=Spying concerns raised over Iran's official COVID-19 detection app |url=https://www.zdnet.com/article/spying-concerns-raised-over-irans-official-covid-19-detection-app/ |website=ZDNet |access-date=20 January 2021 |language=en}}</ref> || {{w|Iran}}
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| 2020 || January 30 || Background || The {{w|World Health Organization}} declares the {{w|COVID-19}} outbreak a {{w|Public Health Emergency of International Concern}}.<ref>{{cite web |title=WHO declares Public Health Emergency on novel coronavirus - PAHO/WHO {{!}} Pan American Health Organization |url=https://www.paho.org/en/news/30-1-2020-who-declares-public-health-emergency-novel-coronavirus |website=www.paho.org |access-date=24 March 2021 |language=en}}</ref><ref>{{cite web |title=COVID-19 Public Health Emergency of International Concern (PHEIC) Global research and innovation forum |url=https://www.who.int/publications/m/item/COVID-19-public-health-emergency-of-international-concern-(pheic)-global-research-and-innovation-forum |website=www.who.int |access-date=24 March 2021 |language=en}}</ref> ||
 
|-
 
|-
| 2020 || March 9 || || "Colombian president launches app to track COVID-19”<ref name="colomshak">{{cite web |title=Colombian president launches app to track COVID-19 |url=https://www.aa.com.tr/en/americas/colombian-president-launches-app-to-track-covid-19/1759011 |website=aa.com |access-date=20 January 2021}}</ref> || {{w|Colombia}}
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| 2020 || February 3 || {{w|Mobile app}} launch || Lithuanian based company Bitsens launches a coronavirus app, even when the virus has not reached Lithuania yet.<ref>{{cite web |title=Lithuania launches Coronavirus App |url=https://lithuaniatribune.com/coronavirus/ |website=the Lithuania Tribune |access-date=3 February 2021 |date=3 February 2020}}</ref> || {{w| Lithuania}}
 
|-
 
|-
| 2020 || March 10 || || "Iran: Google withdraws Iranian government COVID-19 self-diagnosis app”<ref name="irswll">{{cite web |title=Iran: Google withdraws Iranian government COVID-19 self-diagnosis app |url=https://privacyinternational.org/examples/3440/iran-google-withdraws-iranian-government-covid-19-self-diagnosis-app |website=Privacy International |access-date=20 January 2021}}</ref> || {{w|Iran}}
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| 2020 || February 11 || {{w|Mobile app}} launch || China becomes the first country to try a contact tracing app as a means of curbing the spread of {{w|COVID-19}}, after the Chinese Government launches coronavirus close contact detector app “health code” nationwide, as a means of controlling people’s movements. The app, developed by {{w|Alibaba Group}} and {{w|Tencent}}, allows users to access through Alipay or WeChat and input their phone number, full name and ID number.<ref name="inalau">{{cite web |title=China launches coronavirus 'close contact detector' app |url=https://www.bbc.com/news/technology-51439401 |website=BBC News |access-date=19 January 2021 |date=11 February 2020}}</ref><ref name="COVID-19 contv">{{cite web |title=COVID-19 contact tracing apps: why they are so popular in China {{!}} Merics |url=https://merics.org/en/short-analysis/COVID-19-contact-tracing-apps-why-they-are-so-popular-china |website=merics.org |access-date=26 April 2021 |language=en}}</ref> || {{w|China}}
 
|-
 
|-
| 2020 || March 11 || Background || "The World Health Organization (WHO) to declare a pandemic on March 11, 2020"<ref name="dsde"/> ||
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| 2020 || February || Organization || {{w|PathCheck}} is founded at {{w|MIT}} as a {{w|volunteer}}-led non profit organization<ref>{{cite news | title= Because Hamiltonians Track COVID-19: John Werner '92|url=https://www.hamilton.edu/news/story/covid19-contact-tracing-mit}}</ref><ref>{{cite news | title=How an MIT spin-off is using contact tracing to fight COVID-19, and so can you | url=https://www.techrepublic.com/article/how-an-mit-spin-off-is-using-contact-tracing-to-fight-COVID-19-and-so-can-you/}}</ref> that develops {{w|COVID-19 apps}} for {{w|digital contact tracing}}.<ref>{{cite news |url=https://venturebeat.com/2020/04/08/mit-announces-bluetooth-breakthrough-in-coronavirus-tracing-app-for-android-and-ios/ | title=MIT announces Bluetooth breakthrough in coronavirus tracing app for android and ios}}</ref> Their original technology is based on the MIT Private Kit.<ref>{{cite web |title=PATHCHECK FOUNDATION |url=http://okosvaros.lechnerkozpont.hu/en/node/873 |website=okosvaros.lechnerkozpont.hu |access-date=8 March 2021}}</ref><ref>{{cite web |title=PathCheck |url=https://www.pathcheck.org/en/about |website=pathcheck.org |access-date=16 January 2021}}</ref> || {{w|United States}}
 
|-
 
|-
| 2020 || March 12 || || {{w|Public Health England}} stops performing {{w|contact tracing}}, as widespread infections overwhelm capacity.<ref>{{Cite news|last=Tapper|first=James|url=https://www.theguardian.com/world/2020/apr/04/recruit-volunteer-army-to-trace-coronavirus-contacts-now-urge-top-scientists|title=Recruit volunteer army to trace Covid-19 contacts now, urge top scientists|date=6 December 2020|work=The Guardian|access-date=18 April 2020|issn=0261-3077}}</ref><ref>{{Cite web|last=Heren|first=Kit|date=31 May 2020|title=Contact tracers could deal with five people a week before scheme ended|url=https://www.standard.co.uk/news/uk/uk-contact-tracers-five-week-a4455536.html|url-status=live|archive-url=|archive-date=|access-date=6 December 2020|website=Evening Standard}}</ref> || {{w|England}}
+
| 2020 || February || Policy || {{w|Egypt}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Egypt}}
 
|-
 
|-
| 2020 || March 20 || || "Singapore launches contact tracing mobile app to track coronavirus infections" "E: A new mobile application called TraceTogether was launched on Friday (Mar 20) to support ongoing contact tracing efforts amid the COVID-19 outbreak in Singapore."<ref>{{cite web |title=Singapore launches contact tracing mobile app to track coronavirus infections |url=https://www.arabnews.com/node/1644346/media |website=arabnews.com |access-date=6 December 2020}}</ref><ref>{{cite web |title=Singapore launches TraceTogether mobile app to boost COVID-19 contact tracing efforts |url=https://www.channelnewsasia.com/news/singapore/covid19-trace-together-mobile-app-contact-tracing-coronavirus-12560616 |website=channelnewsasia.com |access-date=17 January 2021}}</ref> || Singapore
+
| 2020 || February || Policy || {{w|Nigeria}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Nigeria}}
 
|-
 
|-
| 2020 || March 25 || || Stopp Corona App<ref name="dsde">{{cite web |title=Digital contact-tracing during the Covid-19 pandemic: an analysis of newspaper coverage in Germany, Austria, and Switzerland |url=https://www.medrxiv.org/content/10.1101/2020.10.22.20216788v1.full.pdf |website=medrxiv.org |access-date=6 December 2020}}</ref> || {{w|Austria}}  
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| 2020 || February || Policy || {{w|Saudi Arabia}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Saudi Arabia}}
 
|-
 
|-
| 2020 || April 1 || || {{w|Pan-European Privacy-Preserving Proximity Tracing}}<ref>{{cite web |title=European experts ready smartphone technology to help stop coronavirus |url=https://www.reuters.com/article/us-health-coronavirus-europe-tech-idUSKBN21J4HI |website=reuters.com |access-date=6 December 2020}}</ref> ||
+
| 2020 || March 9 || {{w|Digital privacy}} || Google removes Iran's official COVID-19 detection app from {{w|Play Store}} after several users accuse the Iranian government of using the app to collect phone numbers and real-time geo-location data.<ref name="Cimpcatal">{{cite web |last1=Cimpanu |first1=Catalin |title=Spying concerns raised over Iran's official COVID-19 detection app |url=https://www.zdnet.com/article/spying-concerns-raised-over-irans-official-COVID-19-detection-app/ |website=ZDNet |access-date=20 January 2021 |language=en}}</ref><ref name="irswll">{{cite web |title=Iran: Google withdraws Iranian government COVID-19 self-diagnosis app |url=https://privacyinternational.org/examples/3440/iran-google-withdraws-iranian-government-COVID-19-self-diagnosis-app |website=Privacy International |access-date=20 January 2021}}</ref> || {{w|Iran}}
 
|-
 
|-
| 2020 || April 2 || || {{w|Aarogya Setu}}<ref>{{cite web |title=Government of India launches ArogyaSetu App to track Covid 19 infection |url=https://aarogyasetu.gov.in/wp-content/uploads/2020/11/mygov-9999999991925749197.pdf |website=aarogyasetu.gov.in |access-date=6 December 2020}}</ref> || {{w|India}}
+
| 2020 || March 9 || {{w|Mobile app}} launch || The Colombian president announces the launch of an application for mobile devices that would help centralize information related to the spread, prevention and treatment of COVID-19 in the country.<ref name="colomshak">{{cite web |title=Colombian president launches app to track COVID-19 |url=https://www.aa.com.tr/en/americas/colombian-president-launches-app-to-track-COVID-19/1759011 |website=aa.com |access-date=20 January 2021}}</ref> || {{w|Colombia}}
 
|-
 
|-
| 2020 || April 4 || || {{w|Decentralized Privacy-Preserving Proximity Tracing}}<ref>{{cite web |title=Initial commit |url=https://github.com/DP-3T/documents/commit/3b6024918f8980d2be10eeeaf7a43d6d52b64a38 |website=github.com |access-date=6 December 2020}}</ref> ||
+
| 2020 || March 11 || Background || The {{w|World Health Organization}} declares COVID-19 a {{w|pandemic}}.<ref name="dsde"/> ||
 
|-
 
|-
| 2020 || April 8 || || "Egypt launches mobile application to track coronavirus cases”<ref name="Egyfcueds">{{cite web |title=Egypt launches mobile application to track coronavirus cases - Politics - Egypt |url=http://english.ahram.org.eg/NewsContent/1/64/366870/Egypt/Politics-/Egypt-launches-mobile-application-to-track-coronav.aspx |website=Ahram Online |access-date=20 January 2021 |language=en}}</ref> || {{w|Egypt}}
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| 2020 || March 12 || Program shutdown || {{w|Public Health England}} stops performing a {{w|contact tracing}} program, as widespread infections overwhelm capacity of contact tracers, and with the program being able to handle up to 50 people per week.<ref>{{Cite news|last=Tapper|first=James|url=https://www.theguardian.com/world/2020/apr/04/recruit-volunteer-army-to-trace-coronavirus-contacts-now-urge-top-scientists|title=Recruit volunteer army to trace COVID-19 contacts now, urge top scientists|date=6 December 2020|work=The Guardian|access-date=18 April 2020|issn=0261-3077}}</ref><ref>{{cite web |last1=Heren |first1=Kit |title=Contact tracers could deal with five people a week before scheme ended |url=https://www.standard.co.uk/news/uk/uk-contact-tracers-five-week-a4455536.html |website=www.standard.co.uk |access-date=2 March 2021 |language=en |date=31 May 2020}}</ref> || {{w|United Kingdom}} ({{w|England}})
 
|-
 
|-
| 2020 || April 14 || {{w|digital contact tracing}} || {{w|COVIDSafe}}<ref>{{cite web |title=Coronavirus lockdowns could end in months if Australians are willing to have their movements monitored |url=https://www.abc.net.au/news/2020-04-14/coronavirus-app-government-wants-australians-to-download/12148210 |website=abc.net.au |access-date=6 December 2020}}</ref> || {{w|Australia}}
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| 2020 || March || Policy || {{w|Russia}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Russia}}
 
|-
 
|-
| 2020 || April 14 || || "Turkey to use contact-tracing app to detect coronavirus”<ref name="aasonel">{{cite web |title=Turkey to use contact-tracing app to detect coronavirus |url=https://www.aa.com.tr/en/latest-on-coronavirus-outbreak/turkey-to-use-contact-tracing-app-to-detect-coronavirus/1804425 |website=aa.com |access-date=20 January 2021}}</ref> || {{w|Turkey}}
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| 2020 || March || Policy || {{w|South Africa}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|South Africa}}
 
|-
 
|-
| 2020 || April 16 || || {{w|Whisper Tracing Protocol}}<ref>{{cite web |title=Sobre Aplicaciones de Seguimiento de Contagios COVID - 19 |url=http://fundacionled.org/wp-content/uploads/2020/07/Informe-Aplicaciones-de-Seguimiento-F-LED.pdf |website=fundacionled.org |access-date=6 December 2020}}</ref> ||
+
| 2020 || March || Policy || {{w|Argentina}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Argentina}}
 
|-
 
|-
| 2020 || April 16 || || "The team behind Nodle.io, an Internet of Things (IoT) connectivity and security startup, today announces the launch of Coalition, a free, privacy-first contact tracing app to help stop the spread of COVID-19. "<ref>{{cite web |title=Nodle Launches Coalition, a Free, Privacy-First Contact Tracing App to Help Stop The Spread of COVID-19 |url=https://apnews.com/press-release/business-wire/996bc8341e414a3babfa475dcb78f2c8 |website=apnews.com |access-date=6 December 2020}}</ref> ||
+
| 2020 || March || Policy || {{w|Chile}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Chile}}
 
|-
 
|-
| 2020 || April 27 || {{w|Mobile app}} launch || "‘Act at Home’ app is launched to counteract the spread of COVID-19 in Ukraine”<ref name="Cabinas">{{cite web |title=Cabinet of Ministers of Ukraine - ‘Act at Home’ app is launched to counteract the spread of COVID-19 in Ukraine |url=https://www.kmu.gov.ua/en/news/yak-pracyuye-zastosunok-dij-vdoma |website=www.kmu.gov.ua |access-date=20 January 2021 |language=en}}</ref>
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| 2020 || March 17 || Protocol introduction || The Temporary Contact Numbers Protocol ({{w|TCN Protocol}}) is introduced.<ref>{{cite book |last1=Chakraborty |first1=Pranab |last2=Maitra |first2=Subhamoy |last3=Nandi |first3=Mridul |last4=Talnikar |first4=Suprita |title=Contact Tracing in Post-Covid World: A Cryptologic Approach |publisher=Springer Nature |isbn=978-981-15-9727-5 |url=https://books.google.com.ar/books?id=02cJEAAAQBAJ&pg=PA96&lpg=PA96&dq=TCN+Protocol+march+17&source=bl&ots=j5EsT5xTRa&sig=ACfU3U1Vm4rcmsml9QUdRuH2COv7sGcOeA&hl=en&sa=X&ved=2ahUKEwi3i8yO97LvAhWiLLkGHbZABv8Q6AEwA3oECAgQAw#v=onepage&q=TCN%20Protocol%20march%2017&f=false |language=en}}</ref> ||
 
|-
 
|-
| 2020 || May 2 || || "Korean health officials are also developing "smart city" tools to bolster existing networks of testing and contact tracing, but some privacy advocates are pushing back”<ref name="olmeskostu">{{cite web |last1=Holmes |first1=Aaron |title=South Korea is relying on technology to contain COVID-19, including measures that would break privacy laws in the US — and so far, it's working |url=https://www.businessinsider.com/coronavirus-south-korea-tech-contact-tracing-testing-fight-covid-19-2020-5 |website=Business Insider |access-date=20 January 2021}}</ref> || {{w|South Korea}}
+
| 2020 || March 20 || {{w|Mobile app}} launch || Singapore launches TraceTogether, an application aimed at working by exchanging short distance Bluetooth signals between phones to detect other participating users in close proximity of 2 meters. After giving consent during the set-up of the app, users need to turn on their Bluetooth, as well as enable push notifications and location permissions. The app is developed by Singapore’s Government Technology Agency (GovTech) and the health ministry.<ref>{{cite web |title=Singapore launches contact tracing mobile app to track coronavirus infections |url=https://www.arabnews.com/node/1644346/media |website=arabnews.com |access-date=6 December 2020}}</ref><ref>{{cite web |title=Singapore launches TraceTogether mobile app to boost COVID-19 contact tracing efforts |url=https://www.channelnewsasia.com/news/singapore/covid19-trace-together-mobile-app-contact-tracing-coronavirus-12560616 |website=channelnewsasia.com |access-date=17 January 2021}}</ref> || {{w|Singapore}}
 
|-
 
|-
| 2020 || May 6 || || "Algeria: NATP announces development of Coronavirus apps”<ref name="Alglalalon">{{cite web |title=Algeria: NATP announces development of Coronavirus apps |url=https://www.dataguidance.com/news/algeria-natp-announces-development-coronavirus-apps |website=DataGuidance |access-date=20 January 2021 |language=en |date=6 May 2020}}</ref>
+
| 2020 || March 20 || {{w|Mobile app}} launch || Taiwan rolls out a mobile phone-based “electronic fence” that uses location-tracking to ensure people who are quarantined stay in their homes. The system monitors phone signals to alert local officials if those in home quarantine move away from their address or turn off their phones.<ref>{{cite web |last1=Lee |first1=Yimou |title=Taiwan's new 'electronic fence' for quarantines leads wave of virus monitoring |url=https://www.reuters.com/article/us-health-coronavirus-taiwan-surveillanc-idUSKBN2170SK |website=Reuters |access-date=1 February 2021 |language=en |date=20 March 2020}}</ref> || {{w|Taiwan}}
 +
|- 
 +
| 2020 || March 20 || {{w|Mobile app}} launch || Sri Lanka launches MyHealth Mobile App, which requires users to record their location at the time of using the application. The app is programmed to disclose the stores location history information with the authorities to protect other users in case a user is infected.<ref>{{cite web |title=Sri Lanka: MDIIT launches mobile app to track Coronavirus |url=https://www.dataguidance.com/news/sri-lanka-mdiit-launches-mobile-app-track-coronavirus |website=DataGuidance |access-date=1 February 2021 |language=en |date=15 April 2020}}</ref> || {{w|Sri Lanka}}
 
|-
 
|-
| 2020 || May 14 || {{w|Mobile app}} launch || "India launches contact-tracing app for JioPhones in virus battle”<ref name="ndialaa">{{cite web |last1=Staff |first1=Reuters |title=India launches contact-tracing app for JioPhones in virus battle |url=https://www.reuters.com/article/us-health-coronavirus-india-app-jio/india-launches-contact-tracing-app-for-jiophones-in-virus-battle-idUSKBN22Q0TV |website=Reuters |access-date=19 January 2021 |language=en |date=14 May 2020}}</ref> || {{w|India}}
+
| 2020 || March 20 || Literature || Retrace Publishing releases ''Contact Tracing Logbook: Keep Track of Personal Interactions During Epidemic or Pandemic''.<ref>{{cite web |title=Contact Tracing Logbook: Keep Track of Personal Interactions During Epidemic or Pandemic |url=https://www.amazon.com/Contact-Tracing-Logbook-Personal-Interactions/dp/B086FPXS5H |website=www.amazon.com |access-date=16 April 2021}}</ref> ||  
 
|-
 
|-
| 2020 || May 14 || || “The USAID Digital Health Activity (DHA), led by JSI, is applying its expertise in digital health and supply chain to play a leading role in Ethiopia’s response to COVID-19. The application also supports active case detection through contact-tracing activities, such as identification and follow-up of contacts of a suspected or confirmed COVID-19 case”<ref name="Ethioteoote">{{cite web |title=Ethiopia’s Digital Health Response to COVID-19 |url=https://www.jsi.com/ethiopias-digital-health-response-to-covid-19/ |website=JSI |access-date=20 January 2021 |date=14 May 2020}}</ref> ||
+
| 2020 || March 24 || Protocol introduction || {{w|BlueTrace}} is introduced as an [[w:open source|open-source]] {{w|application protocol}} that facilitates digital {{w|contact tracing}} of users.<ref>{{Cite web|url=https://www.computerweekly.com/news/252480501/Singapore-government-to-open-source-contact-tracing-protocol|title=Singapore government to open source contact-tracing protocol|website=ComputerWeekly.com|language=en|access-date=8 March 2021}}</ref> ||
 
|-
 
|-
| 2020 || May 14 || {{w|Mobile app}} launch || “Thailand to launch COVID-19 tracing application to facilitate disease-control tracking of customers as shops reopen”<ref name="Thailaputmy">{{cite web |title=Thailand to launch COVID-19 tracing application to facilitate disease-control tracking of customers as shops reopen - Xinhua {{!}} English.news.cn |url=http://www.xinhuanet.com/english/2020-05/14/c_139057461.htm |website=www.xinhuanet.com |access-date=20 January 2021}}</ref> || {{w|Thailand}}
+
| 2020 || March 25 || {{w|Mobile app}} launch || Stopp Corona is launched in Austria by the Austrian Red Cross, in cooperation with other organizations. The app is aimed at tracing contacts for preventing the spread COVID-19 infections.<ref name="dsde">{{cite web |title=Digital contact-tracing during the COVID-19 pandemic: an analysis of newspaper coverage in Germany, Austria, and Switzerland |url=https://www.medrxiv.org/content/10.1101/2020.10.22.20216788v1.full.pdf |website=medrxiv.org |access-date=6 December 2020}}</ref><ref>{{cite web |last1=Fritz |first1=Freshfields Bruckhaus Deringer LLP-Gernot |last2=Klimpfinger |first2=Boris |title=Contact tracing apps in Austria: a Red Cross initiative {{!}} Lexology |url=https://www.lexology.com/library/detail.aspx?g=9981f095-1f87-46ce-92df-d28352643e98 |website=www.lexology.com |access-date=3 February 2021 |language=en}}</ref><ref name="Sleigh">{{cite journal |last1=Amann |first1=Julia |last2=Sleigh |first2=Joanna |last3=Vayena |first3=Effy |title=Digital contact-tracing during the COVID-19 pandemic: An analysis of newspaper coverage in Germany, Austria, and Switzerland |journal=PLOS ONE |date=3 February 2021 |volume=16 |issue=2 |pages=e0246524 |doi=10.1371/journal.pone.0246524}}</ref> || {{w|Austria}}  
 
|-
 
|-
| 2020 || May 20 || || {{w|NZ COVID Tracer}}<ref>{{cite web |title=NZ COVID Tracer app released to support contact tracing |url=https://www.health.govt.nz/news-media/media-releases/nz-covid-tracer-app-released-support-contact-tracing |website=health.govt.nz |access-date=6 December 2020}}</ref> || {{w|New Zeland}}
+
| 2020 || April 1 || Protocol introduction || The {{w|Pan-European Privacy-Preserving Proximity Tracing}} protocol is introduced to facilitate {{w|digital contact tracing}} of infected participants.<ref>{{Cite web|url=https://social.techcrunch.com/2020/04/17/europes-pepp-pt-COVID-19-contacts-tracing-standard-push-could-be-squaring-up-for-a-fight-with-apple-and-google/|title=Europe's PEPP-PT COVID-19 contacts tracing standard push could be squaring up for a fight with Apple and Google|website=TechCrunch|language=en-US|access-date=8 March 2021}}</ref><ref>{{cite web |title=European experts ready smartphone technology to help stop coronavirus |url=https://www.reuters.com/article/us-health-coronavirus-europe-tech-idUSKBN21J4HI |website=reuters.com |access-date=6 December 2020}}</ref><ref>{{cite web |last1=Staff |first1=Reuters |title=Europe to launch coronavirus contact tracing app initiative |url=https://www.reuters.com/article/health-coronavirus-europe-tech/europe-to-launch-coronavirus-contact-tracing-app-initiative-idUSL8N2BP1N0 |website=Reuters |access-date=8 March 2021 |language=en |date=1 April 2020}}</ref><ref>{{cite web |title=Europe’s PEPP-PT COVID-19 contacts tracing standard push could be squaring up for a fight with Apple and Google |url=https://techcrunch.com/2020/04/17/europes-pepp-pt-COVID-19-contacts-tracing-standard-push-could-be-squaring-up-for-a-fight-with-apple-and-google/ |website=TechCrunch |access-date=8 March 2021}}</ref> ||
 
|-
 
|-
| 2020 || May 20 || || "Aga Khan Health Services and Aga Khan University launch COVID-19 self-screening app in Tanzania”<ref name="AgaKha">{{cite web |title=Aga Khan Health Services and Aga Khan University launch COVID-19 self-screening app in Tanzania {{!}} Aga Khan Development Network |url=https://www.akdn.org/press-release/aga-khan-health-services-and-aga-khan-university-launch-covid-19-self-screening-app |website=www.akdn.org |access-date=20 January 2021}}</ref> || {{w|Tanzania}}
+
| 2020 || April 2 || {{w|Mobile app}} launch || The Government of India launches {{w|Aarogya Setu}}, an app aimed at enabling people to assess themselves the risk of their catching COVID-19 infection. It is available in 11 languages.<ref>{{cite web |title=Government of India launches ArogyaSetu App to track COVID-19 infection |url=https://aarogyasetu.gov.in/wp-content/uploads/2020/11/mygov-9999999991925749197.pdf |website=aarogyasetu.gov.in |access-date=6 December 2020}}</ref> || {{w|India}}
 
|-
 
|-
| 2020 || May 20 || || {{w|Exposure Notification}}<ref>{{cite web |title=COVID-19 exposure notification settings begin to go live for iOS users with new update |url=https://techcrunch.com/2020/05/20/covid-19-exposure-notification-settings-begin-to-go-live-for-ios-users-with-new-update/ |website=techcrunch.com |access-date=6 December 2020}}</ref> ||
+
| 2020 || April 3 || {{w|Mobile app}} launch || The {{w|Government of Peru}} announces launch of app that would allow users share their location in the event that they have tested positive for {{w|COVID-19}}.<ref name="Perdatmegus">{{cite web |title=Peru: Presidency announces launch of Coronavirus app |url=https://www.dataguidance.com/news/peru-presidency-announces-launch-coronavirus-app |website=DataGuidance |access-date=24 January 2021 |language=en |date=9 April 2020}}</ref> || {{w|Peru}}
 
|-
 
|-
| 2020 || May 23 || || "Ugandans develop app for Covid-19 contact tracing”<ref name="Uganlmp">{{cite web |title=Ugandans develop app for Covid-19 contact tracing |url=https://www.monitor.co.ug/uganda/news/national/ugandans-develop-app-for-covid-19-contact-tracing-1891426 |website=Daily Monitor |access-date=20 January 2021 |language=en}}</ref> || {{w|Uganda}}
+
| 2020 || April 4 || Protocol introduction || The {{w|Decentralized Privacy-Preserving Proximity Tracing}} is introduced as an {{w|open protocol}} developed in response to the {{w|COVID-19 pandemic}} to facilitate {{w|digital contact tracing}} of infected participants.<ref>{{Cite news|agency=Reuters|url=https://www.nytimes.com/reuters/2020/04/20/technology/20reuters-health-coronavirus-europe-tech.html|title=Rift Opens Over European Coronavirus Contact Tracing Apps|date=2020-04-20|work=The New York Times|access-date=8 March 2021|language=en-US|issn=0362-4331}}</ref><ref>{{cite web |title=Initial commit |url=https://github.com/DP-3T/documents/commit/3b6024918f8980d2be10eeeaf7a43d6d52b64a38 |website=github.com |access-date=6 December 2020}}</ref> ||
 
|-
 
|-
| 2020 || May 26 || {{w|Digital privacy}} || "Serious security vulnerabilities in Qatar’s mandatory contact tracing app, uncovered by Amnesty International, must act as a wake-up call for governments rolling-out COVID-19 apps to ensure privacy safeguards are central to the technology”<ref name="fllaa">{{cite web |title=Major security flaw uncovered in Qatar's contact tracing app |url=https://www.amnesty.org/en/latest/news/2020/05/qatar-covid19-contact-tracing-app-security-flaw/ |website=www.amnesty.org |access-date=22 January 2021 |language=en}}</ref> || {{w|Qatar}}
+
| 2020 || April 8 || {{w|Mobile app}} launch || {{w|Egypt}} launches a mobile application aimed at tracking both new {{w|COVID-19}} cases and those in contact with patients.<ref name="Egyfcueds">{{cite web |title=Egypt launches mobile application to track coronavirus cases - Politics - Egypt |url=http://english.ahram.org.eg/NewsContent/1/64/366870/Egypt/Politics-/Egypt-launches-mobile-application-to-track-coronav.aspx |website=Ahram Online |access-date=20 January 2021 |language=en}}</ref><ref>{{cite web |title=AfricaPLC.com {{!}} |url=https://africaplc.com/2020/04/08/egypt-launches-mobile-application-to-track-coronavirus-cases/?v=edb5dc74af1c |website=AfricaPLC.com |access-date=2 March 2021 |language=en-ZA |date=8 April 2020}}</ref> || {{w|Egypt}}
 
|-
 
|-
| 2020 || May 28 || || {{w|NHS Test and Trace}}<ref>{{cite web |title=NHS Test and Trace: the journey so far |url=https://www.health.org.uk/publications/long-reads/nhs-test-and-trace-the-journey-so-far |website=health.org.uk |access-date=6 December 2020}}</ref> || {{w|England}}
+
| 2020 || April 9 || {{w|Mobile app}} launch || The Afghan Ministry of Public Health and Ministry of Telecommunications launches COVID-19 tracing app <code>corona.asan.gov.af</code>, which provides health advice in English, {{w|Dari}}, and {{w|Pashto}}.<ref name="Afghfotne">{{cite web |title=Afghan Ministries Launch Coronavirus Tracking App |url=https://tolonews.com/afghanistan/afghan-ministries-launch-coronavirus-tracking-app |website=TOLOnews |access-date=24 January 2021 |language=en}}</ref><ref>{{cite web |title=Afghanistan launches health information and self-evaluation app |url=https://privacyinternational.org/examples/3653/afghanistan-launches-health-information-and-self-evaluation-app |website=Privacy International |access-date=2 March 2021}}</ref><ref>{{cite web |title=Afghan Ministries Launch Coronavirus Tracking App - Announcements - Afghanistan Coronavirus (COVID-19) - APAN Community |url=https://community.apan.org/wg/ronna/afghanistan-coronavirus-COVID-19/b/announcements/posts/afghan-ministries-launch-coronavirus-tracking-app |website=community.apan.org |access-date=2 March 2021 |language=en}}</ref> || {{w|Afghanistan}}
 
|-
 
|-
| 2020 || May 29 || || Apturi Covid<ref>{{cite web |title=Latvia launches the first publicly available contact tracing app |url=https://labsoflatvia.com/en/news/the-first-contact-tracing-app |website=labsoflatvia.com |access-date=6 December 2020}}</ref> || {{w|Latvia}}
+
| 2020 || April 10 || Technology introduction || {{w|Google}} and [[w:Apple Inc.|Apple]] announce a joint effort to enable the use of {{w|Bluetooth}} technology to help governments and health agencies conduct contact tracing to reduce the spread of COVID-19, with user privacy and security core to the design.<ref>{{cite web |title=Exposure Notification |url=https://www.blog.google/documents/63/Exposure_Notification_-_FAQ_v1.0.pdf |website=blog.google |access-date=15 March 2021}}</ref> ||  
 
|-
 
|-
| 2020 || May || || "In May 2020, {{w|Serco}} accidentally shared the personal email addresses of nearly 300 trainee [[COVID-19]] [[contact tracing|contact tracer]]s."<ref>{{cite news |work =BBC News|title=Coronavirus: Serco apologises for sharing contact tracers' email addresses|url= https://www.bbc.co.uk/news/uk-52732818|first =Ross|last =Hawkins|date =20 May 2020}}</ref> ||
+
| 2020 || April 11 || Technology introduction || Wristbands are launched in {{w|South Korea}} for those breaking quarantine, after it is found that people were leaving their phones at home to trick government tracking apps.<ref>{{cite web |last1=Bostock |first1=Bill |title=South Korea launched wristbands for those breaking quarantine because people were leaving their phones at home to trick government tracking apps |url=https://www.businessinsider.com/south-korea-wristbands-coronavirus-catch-people-dodging-tracking-app-2020-4 |website=Business Insider |access-date=4 April 2021}}</ref> || {{w|South Korea}}
 
|-
 
|-
| 2020 || June 1 || || {{w|Immuni}}<ref>{{cite web |title=IMMUNI APP available for downloading on the APPLE and GOOGLE stores |url=https://innovazione.gov.it/app-immuni-available-from-today/ |website=innovazione.gov.it |access-date=6 December 2020}}</ref> “Italy launches COVID-19 contact-tracing app amid privacy concerns”
+
| 2020 || April 14 || {{w|Mobile app}} launch || COVID-19 contact tracing app Corowarner is launched in Turkey, programmed to alert users instantly and anonymously if they had close contact with an individual in a market, pharmacy or bus who tested positive for the virus.<ref name="aasonel">{{cite web |title=Turkey to use contact-tracing app to detect coronavirus |url=https://www.aa.com.tr/en/latest-on-coronavirus-outbreak/turkey-to-use-contact-tracing-app-to-detect-coronavirus/1804425 |website=aa.com |access-date=20 January 2021}}</ref> || {{w|Turkey}}
<ref name="Streita">{{cite web |last1=Staff |first1=Reuters |title=Italy launches COVID-19 contact-tracing app amid privacy concerns |url=https://www.reuters.com/article/us-health-coronavirus-italy-app/italy-launches-covid-19-contact-tracing-app-amid-privacy-concerns-idUSKBN2383EW |website=Reuters |access-date=20 January 2021 |language=en |date=1 June 2020}}</ref> || {{w|Italy}}
 
 
|-
 
|-
| 2020 || June 4 || {{w|Mobile app}} launch || "The Argentine Government Created COVID-19 Database”<ref name="Argencuid">{{cite web |title=The Argentine Government Created COVID-19 Database |url=https://www.marval.com/publicacion/el-gobierno-nacional-creo-la-base-de-datos-covid-19-13684&lang=en |website=www.marval.com |access-date=20 January 2021}}</ref> || {{w|Argentina}}
+
| 2020 || April || Policy || {{w|Turkey}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Turkey}}
 
|-
 
|-
| 2020 || June 5 || {{w|Mobile app}} launch || "The Nigerian National Petroleum Corporation (NNPC) has revealed that it has developed a Covid-19 contact-tracing application that will be deployed in all its locations across the country”<ref name="lppnopsco">{{cite web |title=NNPC Develops Covid-19 Contact Tracing App |url=https://www.rigzone.com/news/nnpc_develops_covid19_contact_tracing_app-05-jun-2020-162308-article/ |website=www.rigzone.com |access-date=20 January 2021 |language=en}}</ref> ||
+
| 2020 || April || Policy || {{w|Thailand}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Thailand}}
 
|-
 
|-
| 2020 || June 5 || {{w|Mobile app}} launch || “Bangladesh finally gets its own contact tracing app”<ref name="tsitsbeps">{{cite web |title=Bangladesh finally gets its own contact tracing app |url=https://www.thedailystar.net/business/telecom/news/bangladesh-finally-gets-its-own-contact-tracing-app-1909309 |website=The Daily Star |access-date=20 January 2021 |language=en |date=5 June 2020}}</ref> || {{w|Bangladesh}}
+
| 2020 || April 16 || {{w|Mobile app}} launch || {{w|IoT}} and connectivity network provider Nodle.io announces the launch of Coalition, a free contact tracing app that utilizes secure {{w|Bluetooth Low Energy}} (BLE) and {{w|cryptography}} to protect a user’s identity by generating random anonymous IDs.<ref>{{cite web |title=Nodle Launches Coalition, a Free, Privacy-First Contact Tracing App to Help Stop The Spread of COVID-19 |url=https://apnews.com/press-release/business-wire/996bc8341e414a3babfa475dcb78f2c8 |website=apnews.com |access-date=6 December 2020}}</ref> || {{w|United States}}
 
|-
 
|-
| 2020 || June 5 || {{w|Mobile app}} launch || "Morocco: Ministry of Health announces launch of tracing app”<ref name="Mormene">{{cite web |title=Morocco: Ministry of Health announces launch of tracing app |url=https://www.dataguidance.com/news/morocco-ministry-health-announces-launch-tracing-app |website=DataGuidance |access-date=22 January 2021 |language=en |date=5 June 2020}}</ref> || {{w|Morocco}}
+
| 2020 || April 16 || Protocol introduction || Nodle.io releases the {{w|Whisper Tracing Protocol}} white paper, which introduces a protocol intended to be a privacy first digital contact tracing tool for COVID-19.<ref>{{cite web |title=DocSend - Simple, intelligent, modern content sending |url=https://docsend.com/view/nis3dac |website=DocSend |language=en}}</ref><ref>{{cite web |title=Whisper Tracing Protocol |url=https://amp.en.google-info.cn/63881567/1/whisper-tracing-protocol.html |website=en.google-info.cn |access-date=15 March 2021 |language=en}}</ref> ||
 
|-
 
|-
| 2020 || June 9 || || ProteGO Safe<ref>{{cite web |title=Poland Rolls Out Privacy-Secure Coronavirus Tracking App |url=https://www.usnews.com/news/technology/articles/2020-06-09/poland-rolls-out-privacy-secure-coronavirus-tracking-app |website=usnews.com |access-date=6 December 2020}}</ref> || {{w|Poland}}
+
| 2020 || April 17 || {{w|Mobile app}} launch || The {{w|Malaysian Communications and Multimedia Commission}} launches contact tracing app Gerak Malaysia, which is designed "to help the authorities in tracing and analyzing users’ movement nationwide to contain the spread of the pandemic".<ref name="alays">{{cite web |title=MCMC launches contact tracing app: Gerak Malaysia (update: not approved by Mosti) {{!}} The Star |url=https://www.thestar.com.my/tech/tech-news/2020/04/17/mcmc-launches-contact-tracing-app-gerak-malaysia |website=www.thestar.com.my |access-date=24 January 2021}}</ref> || {{w|Malaysia}}
 
|-
 
|-
| 2020 || June 9 || || "Poland rolls out privacy-secure coronavirus tracking app”<ref name="Polstalpylt">{{cite web |last1=Staff |first1=Reuters |title=Poland rolls out privacy-secure coronavirus tracking app |url=https://www.reuters.com/article/us-health-coronavirus-poland-tech-idUSKBN23G208 |website=Reuters |access-date=22 January 2021 |language=en |date=9 June 2020}}</ref> || {{w|Poland}}
+
| 2020 || April 21 || {{w|Digital privacy}} || An Australian Government Services minister announces laws to be introduced in the country with the purpose to strenghten user privacy, as fears for the latter persist among citizens.<ref>{{cite web |title=Govt raises prospect of new laws for COVID contact tracing app |url=https://www.itnews.com.au/news/govt-raises-prospect-of-new-laws-for-covid-contact-tracing-app-546947 |website=iTnews |access-date=3 February 2021}}</ref> || {{w| Australia}}
 
|-
 
|-
| 2020 || June 9 || || "Pakistan's Covid-19 App Becomes Laughing Stock as it Fails at Contact Tracing, Privacy”<ref name="aakistp">{{cite web |title=Pakistan's Covid-19 App Becomes Laughing Stock as it Fails at Contact Tracing, Privacy |url=https://www.news18.com/news/tech/pakistans-covid-19-app-becomes-laughing-stock-as-it-fails-at-contact-tracing-privacy-2661271.html |website=News18 |access-date=20 January 2021 |language=en |date=9 June 2020}}</ref> ||
+
| 2020 || April 24 || {{w|Mobile app}} launch || ProteGO launches in {{w|Poland}}, becoming one of {{w|EU}}’s first official COVID-19 tracking applications. This version requires users to enter their data themselves for the purposes of health self-monitoring.<ref>{{cite web |title=COVID-19: Poland Launches an Official Tracking App |url=https://www.natlawreview.com/article/COVID-19-poland-launches-official-tracking-app |website=The National Law Review |access-date=3 February 2021 |language=en}}</ref> || {{w|Poland}}
 
|-
 
|-
| 2020 || June 10 || || "French hacker claims Pakistan's covid-19 contact tracing app reveals patients' locations, govt denies claims”<ref name="chhac">{{cite web |title=French hacker claims Pakistan's COVID-19 contact tracing app reveals patients' locations, govt denies claims- Technology News, Firstpost |url=https://www.firstpost.com/tech/news-analysis/french-hacker-reports-that-pakistan-covid-19-contact-tracing-app-reveals-patients-location-govt-denies-claims-8468261.html |website=Tech2 |access-date=20 January 2021 |date=10 June 2020}}</ref> ||
+
| 2020 || April 26 || {{w|Mobile app}} launch || The Australian government launches a coronavirus tracing app, which uses Bluetooth signals to log when people have been close to one another. The app is based on Singapore’s TraceTogether software.<ref name="trraits">{{cite web |title=Australia launches contact tracing app |url=https://www.straitstimes.com/asia/australianz/australia-launches-contact-tracing-app |website=The Straits Times |access-date=22 January 2021 |language=en |date=27 April 2020}}</ref><ref>{{cite web |last1=Kelly |first1=Lidia |title=Australia launches controversial COVID-19 tracking app as some states start easing rules |url=https://www.reuters.com/article/us-health-coronavirus-australia/australia-launches-controversial-COVID-19-tracking-app-as-some-states-start-easing-rules-idUKKCN22806F |website=Reuters |access-date=1 February 2021 |language=en |date=26 April 2020}}</ref> || {{w|Australia}}
 
|-
 
|-
| 2020 || June 12 || || "Uzbekistan to develop mobile app to trace contacts of confirmed Covid-19 cases”<ref name="akipUzbe">{{cite web |title=Uzbekistan to develop mobile app to trace contacts of confirmed Covid-19 cases |url=https://akipress.com/news:643455:Uzbekistan_to_develop_mobile_app_to_trace_contacts_of_confirmed_Covid-19_cases/ |website=akipress.com |access-date=22 January 2021}}</ref> || {{w|Uzbekistan}}
+
| 2020 || April 27 || {{w|Mobile app}} launch || Mobile application "Act at Home" is launched in Ukraine. It is designed to maintain contact with the person and control the observance of obligatory self-isolation during {{w|quarantine}}.<ref name="Cabinas">{{cite web |title=Cabinet of Ministers of Ukraine - ‘Act at Home’ app is launched to counteract the spread of COVID-19 in Ukraine |url=https://www.kmu.gov.ua/en/news/yak-pracyuye-zastosunok-dij-vdoma |website=www.kmu.gov.ua |access-date=20 January 2021 |language=en}}</ref> || {{w|Ukraine}}
 
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|-
| 2020 || June 15 || || Coronavirus UY<ref>{{cite web |title=Queda operativa hoy app que advierte si estuviste cerca de una persona con COVID-19 y lo notificó |url=Das küßte mich auf deutsch und sprach auf deutsch |website=elpais.com.uy |access-date=6 December 2020}}</ref> || {{w|Uruguay}}
+
| 2020 || April 27 || Performance || A study concludes that isolation and contact tracing helped control the spread of COVID-19 in {{w|Shenzhen}}, China.<ref>{{cite journal |last1=Bi |first1=Qifang |last2=Wu |first2=Yongsheng |last3=Mei |first3=Shujiang |last4=Ye |first4=Chenfei |last5=Zou |first5=Xuan |last6=Zhang |first6=Zhen |last7=Liu |first7=Xiaojian |last8=Wei |first8=Lan |last9=Truelove |first9=Shaun A |last10=Zhang |first10=Tong |last11=Gao |first11=Wei |last12=Cheng |first12=Cong |last13=Tang |first13=Xiujuan |last14=Wu |first14=Xiaoliang |last15=Wu |first15=Yu |last16=Sun |first16=Binbin |last17=Huang |first17=Suli |last18=Sun |first18=Yu |last19=Zhang |first19=Juncen |last20=Ma |first20=Ting |last21=Lessler |first21=Justin |last22=Feng |first22=Tiejian |title=Epidemiology and transmission of COVID-19 in 391 cases and 1286 of their close contacts in Shenzhen, China: a retrospective cohort study |journal=The Lancet Infectious Diseases |date=August 2020 |volume=20 |issue=8 |pages=911–919 |doi=10.1016/S1473-3099(20)30287-5}}</ref><ref>{{cite web |last1=Apr 28 |first1=Mary Van Beusekom|title=Study: Contact tracing slowed COVID-19 spread in China |url=https://www.cidrap.umn.edu/news-perspective/2020/04/study-contact-tracing-slowed-COVID-19-spread-china |website=CIDRAP |access-date=26 April 2021 |language=en}}</ref> || {{w|China}}
 
|-
 
|-
| 2020 || June 15 || {{w|Mobile app}} launch || "Saudi Arabia launches new Covid-19 tracing app”<ref name="arasauwww">{{cite web |title=Saudi Arabia launches new Covid-19 tracing app |url=https://www.arabianbusiness.com/politics-economics/448217-saudi-arabia-launches-new-covid-19-tracing-app |website=arabianbusiness.com |access-date=22 January 2021}}</ref> || {{w|Saudi Arabia}}
+
| 2020 || April || Background || By this time, about half of the world's population is under lockdown, with more than 3.9 billion people in more than 90 countries or territories having been asked or ordered to stay at home by their governments.<ref>{{cite web |last1=Sandford |first1=Alasdair |title=Coronavirus: Half of humanity on lockdown in 90 countries |url=https://www.euronews.com/2020/04/02/coronavirus-in-europe-spain-s-death-toll-hits-10-000-after-record-950-new-deaths-in-24-hou |website=euronews |access-date=24 March 2021 |language=en |date=2 April 2020}}</ref> || Worldwide
 
|-
 
|-
| 2020 || June 15 || || "The Norwegian government’s decision to stop using its COVID-19 contact tracing app is a major win for privacy and comes hours before Amnesty International releases a damning analysis of the app”<ref name="Norrw">{{cite web |title=Norway halts COVID-19 contact tracing app a major win for privacy |url=https://www.amnesty.org/en/latest/news/2020/06/norway-covid19-contact-tracing-app-privacy-win/ |website=www.amnesty.org |access-date=22 January 2021 |language=en}}</ref> || {{w|Norway}}
+
| 2020 || May 1 || Policy || India’s home affairs ministry states that all private and public sector employees who go to their physical workplaces should download the Aarogya Setu contact tracing app.<ref>{{cite web |title=Home Ministry Says Aarogya Setu App to Be Made Mandatory for All Office Workers |url=https://thewire.in/government/home-ministry-aarogya-setu-office-workers |website=The Wire |access-date=26 April 2021}}</ref> || {{w|India}}
 
|-
 
|-
| 2020 || June 16 || {{w|Mobile app}} launch || {{w|Corona-Warn-App}}<ref>{{cite web |title=Germany launches 'best' coronavirus tracing app |url=https://www.dw.com/en/germany-launches-best-coronavirus-tracing-app/a-53825213 |website=dw.com |access-date=6 December 2020}}</ref> “ Germany launches 'best' coronavirus tracing app”<ref name="rmanla">{{cite web |last1=Welle (www.dw.com) |first1=Deutsche |title=Germany launches 'best' coronavirus tracing app {{!}} DW {{!}} 16.06.2020 |url=https://www.dw.com/en/germany-launches-best-coronavirus-tracing-app/a-53825213 |website=DW.COM |access-date=19 January 2021}}</ref> || {{w|Germany}}
+
| 2020 || May 10 || Notable case || Zambian health minister {{w|Chitalu Chilufya}} praises {{w|sex worker}}s in Zambia for helping to trace people who have contracted COVID-19 after a surge in new infections at the border town of {{w|Nakonde}}. Chilufya states "sex workers have been very co-operative and they are giving us all the leads we want."<ref>{{cite web |title=Coronavirus: Zambia sex workers praised for contact tracing |url=https://www.bbc.com/news/world-africa-52604961 |website=BBC News |access-date=2 February 2021 |date=10 May 2020}}</ref> || {{w|Zambia}}
 
|-
 
|-
| 2020 || June 16 || || " Bahrain, Kuwait and Norway contact tracing apps among most dangerous for privacy”<ref name="bvbaa">{{cite web |title=Bahrain, Kuwait and Norway contact tracing apps a danger for privacy |url=https://www.amnesty.org/en/latest/news/2020/06/bahrain-kuwait-norway-contact-tracing-apps-danger-for-privacy/ |website=www.amnesty.org |access-date=22 January 2021 |language=en}}</ref> || {{w|Kuwait}}
+
| 2020 || May 11 || Literature || Martin Anderson publishes ''Contact Tracing : Tracking Clinician Resource''.<ref>{{cite web |title=‎Contact Tracing : Tracking Clinician Resource |url=https://books.apple.com/us/book/contact-tracing-tracking-clinician-resource/id1512860148 |website=books.apple.com|access-date=16 April 2021 |language=en-us}}</ref> ||
 
|-
 
|-
| 2020 || June 18 || || "BIOS runs contact tracing without recording personal data, which other apps developed by Apple and Google cannot do"<ref name="Dhabisob">{{cite web |title=BIOS, anonymous contact tracing app for Covid-19 |url=https://www.dhakatribune.com/health/coronavirus/2020/06/18/bios-anonymous-contact-tracing-app-for-covid-19 |website=Dhaka Tribune |access-date=20 January 2021 |date=18 June 2020}}</ref> ||
+
| 2020 || May 12 || {{w|Mobile app}} launch || {{w|Salesforce}} launches coronavirus contact tracing platform for tracking exposure to COVID-19. It is available in {{w|Rhode Island}}, {{w|Massachusetts}}, {{w|Louisiana}}, {{w|California}}, and {{w|New York City}}.<ref>{{cite web |title=Salesforce coronavirus contact tracing platform goes national |url=https://searchcustomerexperience.techtarget.com/news/252483022/Salesforce-coronavirus-contact-tracing-platform-goes-national |website=SearchCustomerExperience |access-date=15 March 2021 |language=en}}</ref> || {{w|United States}}
 
|-
 
|-
| 2020 || June 18 || || Smittestop<ref>{{cite web |title=Danish COVID-19 infection tracing app (Smitte|stop) |url=https://oecd-opsi.org/covid-response/danish-covid-19-infection-tracing-app-smittestop/ |website=oecd-opsi.org |access-date=6 December 2020}}</ref> || {{w|Denmark}}
+
| 2020 || May 14 || {{w|Mobile app}} launch || The Indian technology ministry launches contact-tracing app for JioPhones.<ref name="ndialaa">{{cite web |last1=Staff |first1=Reuters |title=India launches contact-tracing app for JioPhones in virus battle |url=https://www.reuters.com/article/us-health-coronavirus-india-app-jio/india-launches-contact-tracing-app-for-jiophones-in-virus-battle-idUSKBN22Q0TV |website=Reuters |access-date=19 January 2021 |language=en |date=14 May 2020}}</ref> || {{w|India}}
 
|-
 
|-
| 2020 || June 18 || || BEAT Covid Gibraltar.<ref>{{cite web |title=Beat Covid Gibraltar App - 409/2020 |url=https://www.gibraltar.gov.gi/press-releases/beat-covid-gibraltar-app-4092020-5976 |website=gibraltar.gov.gi |access-date=6 December 2020}}</ref> || {{w|Gibraltar}}
+
| 2020 || May 14 || {{w|Mobile app}} launch || Thailand's Center for COVID-19 Situation Administration (CCSA) announces tracing application Thai Chana (Thai Victory), aimed at being introduced to business operators.<ref name="Thailaputmy">{{cite web |title=Thailand to launch COVID-19 tracing application to facilitate disease-control tracking of customers as shops reopen - Xinhua {{!}} English.news.cn |url=http://www.xinhuanet.com/english/2020-05/14/c_139057461.htm |website=www.xinhuanet.com |access-date=20 January 2021}}</ref> || {{w|Thailand}}
 
|-
 
|-
| 2020 || June 19 || {{w|Mobile app}} launch || "Japan's coronavirus contact-tracing app launched amid privacy concerns”<ref name="japneoclqtt">{{cite web |title=Japan's coronavirus contact-tracing app launched amid privacy concerns |url=https://www.japantimes.co.jp/news/2020/06/19/national/japan-contact-tracing-app-launched/ |website=The Japan Times |access-date=20 January 2021 |date=19 June 2020}}</ref> ||
+
| 2020 || May || Policy || {{w|France}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|France}}
 
|-
 
|-
| 2020 || June 19 || || COCOA<ref>{{cite web |title=Effectiveness of the COVID-19 Contact-Confirming Application (COCOA) based on a Multi Agent Simulation |url=https://arxiv.org/abs/2008.13166 |website=arxiv.org |access-date=6 December 2020}}</ref> || {{w|Japan}}
+
| 2020 || May 19 || {{w|Mobile app}} launch || The E7mi application is launched in Tunisia. The app identifies and alerts users if they have been in close contact with someone having reported infection.<ref>{{cite web |title=Tunisia launches contact-tracing app to combat coronavirus |url=https://www.middleeasteye.net/news/tunisia-launches-contact-tracing-app-track-coronavirus-spread |website=Middle East Eye |access-date=15 March 2021 |language=en}}</ref> || {{w|Tunisia}}
 
|-
 
|-
| 2020 || June 21 || || {{w|careFIJI}}<ref>{{cite web |title=careFIJI COVID-19 tracing app now available to download |url=https://www.fijivillage.com/news/careFIJI-COVID-19-tracing-app-now-available-to-download-5f4xr8/ |website=fijivillage.com |access-date=6 December 2020}}</ref> || {{w|Fiji}}
+
| 2020 || May 19 || {{w|Mobile app}} launch || The Ministry of Health of New Zealand releases the NZ COVID Tracer app, with the purpose to support contact tracing in the country. The software emphasizes privacy and data security, being programmed to store information in the user phone and delete it after 31 days.<ref>{{cite web |title=COVID-19 tracing app launched earlier than expected |url=https://www.rnz.co.nz/news/national/417045/COVID-19-tracing-app-launched-earlier-than-expected |website=RNZ |access-date=3 February 2021 |language=en-nz |date=19 May 2020}}</ref> {{w|NZ COVID Tracer}}<ref>{{cite web |title=NZ COVID Tracer app released to support contact tracing |url=https://www.health.govt.nz/news-media/media-releases/nz-covid-tracer-app-released-support-contact-tracing |website=health.govt.nz |access-date=6 December 2020}}</ref> || {{w|New Zealand}}
 +
|-´
 +
| 2020 || May 19 || Policy || Taiwan enforces policy mandating all people entering public buildings to leave their contact information or to share their whereabouts via text message.<ref>{{cite web |last1=News |first1=Taiwan |title=Taiwan's local governments blast contact tracing system {{!}} Taiwan News {{!}} 2021-06-29 17:35:00 |url=https://www.taiwannews.com.tw/en/news/4235417 |website=Taiwan News |access-date=29 June 2021}}</ref> || {{w|Taiwan}}  
 
|-
 
|-
| 2020 || June 25 || || {{w|SwissCovid}}<ref>{{cite web |title=SwissCovid app available from 25 June |url=https://www.bag.admin.ch/bag/en/home/das-bag/aktuell/news/news-25-06-2020.html |website=bag.admin.ch |access-date=6 December 2020}}</ref> || {{w|Switzerland}}
+
| 2020 || May 20 || Protocol introduction || The {{w|Exposure Notification}} (GAEN) system, originally known as the Privacy-Preserving Contact Tracing Project,<ref>{{cite web |url=https://www.apple.com/covid19/contacttracing/ |title=Privacy-Preserving Contact Tracing |date=10 April 2020 |publisher=Apple }}</ref> is introduced as a framework and protocol specification developed by {{w|Apple Inc.}} and {{w|Google}} to facilitate {{w|digital contact tracing}} during the {{w|COVID-19 pandemic}}.<ref>{{cite web |title=COVID-19 exposure notification settings begin to go live for iOS users with new update |url=https://techcrunch.com/2020/05/20/COVID-19-exposure-notification-settings-begin-to-go-live-for-ios-users-with-new-update/ |website=techcrunch.com |access-date=6 December 2020}}</ref><ref>{{Cite web|title=Exposure Notification API launches to support public health agencies|url=https://blog.google/inside-google/company-announcements/apple-google-exposure-notification-api-launches/|date=2020-05-20|website=Google|language=en|access-date=2020-05-21}}</ref><ref>{{Cite web|title=ExposureNotification {{!}} Apple Developer Documentation|url=https://developer.apple.com/documentation/exposurenotification|website=developer.apple.com|access-date=2020-05-21}}</ref><ref>{{Cite web|title=Exposure Notifications: Helping fight COVID-19 - Google|url=https://www.google.com/intl/en_us/covid19/exposurenotifications/|access-date=2020-07-31|website=Exposure Notifications: Helping fight COVID-19 - Google|language=en}}</ref> The {{w|application programming interface}} is released in at least 22 countries around the world and is aimed to be used by nations' health authorities to build their own apps.<ref>{{cite web |last1=Pinkstone |first1=Joe |title=Apple and Google launch their coronavirus contact-tracing software |url=https://www.dailymail.co.uk/sciencetech/article-8340911/Apple-Google-launch-coronavirus-contact-tracing-software.html |website=Mail Online |access-date=2 February 2021 |date=20 May 2020}}</ref> || Worldwide
 
|-
 
|-
| 2020 || June 29 || {{w|Mobile app}} launch || “Spain launches first phase of coronavirus-tracking app”<ref name="spatdm">{{cite web |last1=Vega |first1=Guillermo |title=Spain launches first phase of coronavirus-tracking app |url=https://english.elpais.com/society/2020-06-29/spain-launches-first-phase-of-coronavirus-tracking-app.html |website=EL PAÍS |access-date=20 January 2021 |language=en |date=29 June 2020}}</ref>"Spain launches first phase of coronavirus-tracking app”<ref name="spatdm">{{cite web |last1=Vega |first1=Guillermo |title=Spain launches first phase of coronavirus-tracking app |url=https://english.elpais.com/society/2020-06-29/spain-launches-first-phase-of-coronavirus-tracking-app.html |website=EL PAÍS |access-date=20 January 2021 |language=en |date=29 June 2020}}</ref> || {{w|Spain}}
+
| 2020 || May 26 || {{w|Digital privacy}} || {{w|Amnesty International}} uncovers "serious security vulnerabilities" in Qatari mandatory contact tracing app EHTERAZ, which is found to lack privacy safeguards and allows sensitive personal information to be uploaded to a central database so the authorities can enable real-time location tracking of users at any time.<ref name="fllaa">{{cite web |title=Major security flaw uncovered in Qatar's contact tracing app |url=https://www.amnesty.org/en/latest/news/2020/05/qatar-covid19-contact-tracing-app-security-flaw/ |website=www.amnesty.org |access-date=22 January 2021 |language=en}}</ref> || {{w|Qatar}}
 
|-
 
|-
| 2020 || June 30 || || {{w|Healthy Together}}<ref>{{cite web |title=Contact tracing through Healthy Together App now fully functional |url=https://kutv.com/news/coronavirus/contact-tracing-through-healthy-together-app-now-fully-functional |website=kutv.com |access-date=6 December 2020}}</ref> ||
+
| 2020 || May 28 || Organization || {{w|NHS Test and Trace}} is formed in {{w|England}} as a government-funded service with the purpose to track and help prevent the spread of [[w:COVID-19 pandemic in England|COVID-19]]. It is run by the {{w|National Institute for Health Protection}}.<ref>{{cite web|date=19 August 2020|title=Dido Harding's meteoric rise from telecoms to test and trace, and beyond |url=https://www.bbc.co.uk/news/uk-politics-53824374 |website=www.bbc.co.uk/news|access-date=9 February 2021}}</ref><ref>{{cite web |title=NHS Test and Trace: the journey so far |url=https://www.health.org.uk/publications/long-reads/nhs-test-and-trace-the-journey-so-far |website=health.org.uk |access-date=6 December 2020}}</ref> || {{w|United Kingdom}} ({{w|England}})
 
|-
 
|-
| 2020 || June 30 || || Radar COVID<ref>{{cite web |title=Así es Radar COVID, la aplicación de rastreo de contactos de coronavirus española |url=https://hipertextual.com/2020/06/radar-covid-app-rastreo-contactos-android-espana |website=hipertextual.com |access-date=6 December 2020}}</ref> || {{w|Spain}}
+
| 2020 || May 29 || Education || The University of Washington’s Northwest Center for Public Health Practice launches a free, online course to provide training for contact tracers.<ref>{{cite web |title=UW launches online training for contact tracing to help fight COVID-19 |url=https://www.washington.edu/news/2020/05/29/uw-launches-online-training-for-contact-tracing-to-help-fight-COVID-19/ |website=UW News |access-date=11 April 2021 |language=en}}</ref> || {{w|United States}}
 
|-
 
|-
| 2020 || July 7 || || {{w|COVID Tracker Ireland}}<ref>{{cite web |title=Coronavirus: 1 Death From Covid-19 In Ireland Today |url=https://www.midlands103.com/news/midlands-news/coronavirus-national-news-tuesday-7th-july-2020/ |website=midlands103.com |access-date=6 December 2020}}</ref> || {{w|Ireland}}
+
| 2020 || May 28 || {{w|Mobile app}} launch || Latvia launches Apturi Covid, becoming the first country to launch a contact tracing app using the newly-available exposure notification APIs by Apple and Google. The voluntary, decentralized, and fully [[w:General Data Protection Regulation|GDPR]]-compliant app uses {{w|Bluetooth}} technology to identify other nearby devices that also have the app installed. The app notifies users if they have been in the proximity of 2 meters to an individual for more than 15 minutes who has tested positive for COVID-19. <ref>{{cite web |title=Latvia to launch Google-Apple friendly coronavirus contact tracing app |url=https://www.reuters.com/article/us-health-coronavirus-tech-latvia/latvia-to-launch-google-apple-friendly-coronavirus-contact-tracing-app-idUSKBN23118I |website=Reuters |access-date=3 February 2021 |language=en |date=25 May 2020}}</ref><ref>{{cite web |title=Latvia launches the first publicly available contact tracing app |url=https://labsoflatvia.com/en/news/the-first-contact-tracing-app |website=labsoflatvia.com |access-date=6 December 2020}}</ref> || {{w|Latvia}}
 
|-
 
|-
| 2020 || July 13 || || “Government of Mexico City Implements Avaya Contact Center Solutions for Contact Tracing, Conducting 2,700 Tests Daily Across 117 Health Centers”<ref name="mexibcsm">{{cite web |title=Government of Mexico City Implements Avaya Contact Center Solutions for Contact Tracing, Conducting 2,700 Tests Daily Across 117 Health Centers |url=https://www.businesswire.com/news/home/20200713005035/en/Government-of-Mexico-City-Implements-Avaya-Contact-Center-Solutions-for-Contact-Tracing-Conducting-2700-Tests-Daily-Across-117-Health-Centers |website=www.businesswire.com |access-date=20 January 2021 |language=en |date=13 July 2020}}</ref> || {{w|Mexico}}
+
| 2020 || May || Digital privacy || British company {{w|Serco}} accidentally shares the personal email addresses of nearly 300 trainee {{w|COVID-19}} [[w:contact tracing|contact tracer]]s. The company hires, trains and operates about 15,000 contact tracers who do not have clinical training.<ref>{{cite news |work =BBC News|title=Coronavirus: Serco apologises for sharing contact tracers' email addresses|url= https://www.bbc.co.uk/news/uk-52732818|first =Ross|last =Hawkins|date =20 May 2020}}</ref> || {{w|United Kingdom}}
 
|-
 
|-
| 2020 || July 13 || || "Kenya launches web-based app to trace COVID-19 cases”<ref name="Kenlontim">{{cite web |title=Kenya launches web-based app to trace COVID-19 cases - Xinhua {{!}} English.news.cn |url=http://www.xinhuanet.com/english/2020-07/13/c_139209867.htm |website=www.xinhuanet.com |access-date=20 January 2021}}</ref> || {{w|Kenya}}
+
| 2020 || June 1 || {{w|Mobile app}} launch || {{w|Immuni}} is launched in {{w|Italy}} as the official COVID-19 contact-tracing app, built on the framework developed by Apple and Google to track infections.<ref>{{cite web |title=IMMUNI APP available for downloading on the APPLE and GOOGLE stores |url=https://innovazione.gov.it/app-immuni-available-from-today/ |website=innovazione.gov.it |access-date=6 December 2020}}</ref><ref name="Streita">{{cite web |last1=Staff |first1=Reuters |title=Italy launches COVID-19 contact-tracing app amid privacy concerns |url=https://www.reuters.com/article/us-health-coronavirus-italy-app/italy-launches-COVID-19-contact-tracing-app-amid-privacy-concerns-idUSKBN2383EW |website=Reuters |access-date=20 January 2021 |language=en |date=1 June 2020}}</ref><ref>{{cite web |title=Italy's 'Immuni' COVID-19 contact tracing app uses Google, Apple tech |url=https://www.engadget.com/italy-coronavirus-contact-tracing-app-apple-google-COVID-19-212811596.html |website=Engadget |access-date=3 February 2021 |language=en}}</ref> || {{w|Italy}}
 
|-
 
|-
| 2020 || July 21 || || "Major Security Flaws Found in South Korea Quarantine App”<ref name="Zhonolik">{{cite web |last1=Sang-Hun |first1=Choe |last2=Krolik |first2=Aaron |last3=Zhong |first3=Raymond |last4=Singer |first4=Natasha |title=Major Security Flaws Found in South Korea Quarantine App |url=https://www.nytimes.com/2020/07/21/technology/korea-coronavirus-app-security.html |website=The New York Times |access-date=20 January 2021 |date=21 July 2020}}</ref> || {{w|South Korea}}
+
| 2020 || June 5 || {{w|Mobile app}} launch || The Moroccan Ministry of Health announces launch of 'WIQAYTNA' an app for COVID-19 contact tracing based on bluetooth technology, and aimed to notify users in case they come into prolonged contact with an individual who has tested positive.<ref name="Mormene">{{cite web |title=Morocco: Ministry of Health announces launch of tracing app |url=https://www.dataguidance.com/news/morocco-ministry-health-announces-launch-tracing-app |website=DataGuidance |access-date=22 January 2021 |language=en |date=5 June 2020}}</ref> || {{w|Morocco}}
 
|-
 
|-
| 2020 || July 30 || || StopCOVID NI<ref>{{cite web |title=Covid-19: Tracing app is released for NI |url=https://www.bbc.com/news/uk-northern-ireland-53599514 |website=bbc.com |access-date=6 December 2020}}</ref> || {{w|Northern Ireland}}
+
| 2020 || June 4 || {{w|Database}} launch || The Argentine Government creates a COVID-19 database with the purpose to process the data generated through the official contact tracing app, facilitating greater state control of the pandemic.<ref name="Argencuid">{{cite web |title=The Argentine Government Created COVID-19 Database |url=https://www.marval.com/publicacion/el-gobierno-nacional-creo-la-base-de-datos-COVID-19-13684&lang=en |website=www.marval.com |access-date=20 January 2021}}</ref> || {{w|Argentina}}
 
|-
 
|-
| 2020 || July 31 || || {{w|COVID Alert}}<ref>{{cite web |title=Positive test but no code to enter into COVID Alert exposure app? We want to hear from you |url=https://www.ctvnews.ca/health/coronavirus/positive-test-but-no-code-to-enter-into-covid-alert-exposure-app-we-want-to-hear-from-you-1.5146359 |website=ctvnews.ca |access-date=6 December 2020}}</ref> || {{w|Canada}}
+
| 2020 || June 4 || Publication || The {{w|World Health Organization}} publishes its Digital tools for COVID-19 contact tracing.<ref>{{cite web |title=Digital tools for COVID-19 contact tracing |url=https://www.who.int/publications/i/item/WHO-2019-nCoV-Contact_Tracing-Tools_Annex-2020.1 |website=www.who.int |access-date=19 March 2021 |language=en}}</ref> ||
 
|-
 
|-
| 2020 || July 31 || || Coronavírus-SUS || {{w|Brazil}}
+
| 2020 || June 4 || {{w|Mobile app}} launch || COVID-19 contact tracing app Corona Tracer BD is launched in Bangladesh.<ref name="tsitsbeps">{{cite web |title=Bangladesh finally gets its own contact tracing app |url=https://www.thedailystar.net/business/telecom/news/bangladesh-finally-gets-its-own-contact-tracing-app-1909309 |website=The Daily Star |access-date=20 January 2021 |language=en |date=5 June 2020}}</ref> || {{w|Bangladesh}}
 
|-
 
|-
| 2020 || July 31 || || "Canada launches COVID-19 contact tracing app as restrictions loosen”<ref name="ohansey">{{cite web |last1=Johnson |first1=Kelsey |title=Canada launches COVID-19 contact tracing app as restrictions loosen |url=https://www.reuters.com/article/healthcoronavirus-canada/canada-launches-covid-19-contact-tracing-app-as-restrictions-loosen-idUSL2N2F12N6 |website=Reuters |access-date=22 January 2021 |language=en |date=31 July 2020}}</ref> || {{w|Canada}}
+
| 2020 || June 5 || {{w|Mobile app}} launch || The {{w|Nigerian National Petroleum Corporation}} reveals having developed a COVID-19 contact-tracing application to be deployed in all its locations across the {{w|Nigeria}}.<ref name="lppnopsco">{{cite web |title=NNPC Develops COVID-19 Contact Tracing App |url=https://www.rigzone.com/news/nnpc_develops_covid19_contact_tracing_app-05-jun-2020-162308-article/ |website=www.rigzone.com |access-date=20 January 2021 |language=en}}</ref> || {{w|Nigeria}}
 
|-
 
|-
| 2020 || August 5 || || COVIDWise<ref>{{cite web |title=COVIDWISE Exposure Notification App Launced to Help Contain COVID-19 |url=https://www.vdh.virginia.gov/blog/2020/08/05/covidwise-exposure-notification-app-launced-to-help-contain-covid-19/ |website=vdh.virginia.gov |access-date=6 December 2020}}</ref> || {{w|Virginia}}
+
| 2020 || June 8 || {{w|Mobile app}} launch || COVID-19 app DiagnoseMe is launched by engineers from {{w|Burkina Faso}}.<ref>{{cite web |title=Young engineers from Burkina Faso together with a colleague studying in Wuhan launched DiagnoseMe app to detect symptoms of COVID-19 |url=https://outride.rs/en/young-engineers-from-burkina-faso-together-with-a-colleague-studying-in-wuhan-launched-diagnoseme-app-to-detect-symptoms-of-COVID-19/ |website=Outriders |access-date=1 February 2021 |date=8 June 2020}}</ref> || {{w|Burkina Faso}}
 
|-
 
|-
| 2020 || August 5 || || "Brazil integrates Apple-Google exposure notification tech into coronavirus app”<ref name="ratesa">{{cite web |last1=Mari |first1=Angelica |title=Brazil integrates Apple-Google exposure notification tech into coronavirus app |url=https://www.zdnet.com/article/brazil-integrates-apple-google-exposure-notification-tech-into-coronavirus-app/ |website=ZDNet |access-date=20 January 2021 |language=en}}</ref> ||
+
| 2020 || June 9 || {{w|Mobile app}} launch || Poland releases a new version of the COVID-19 contact tracing app ProteGO Safe, now adapted to address concerns about privacy. Previously, the official contact-tracing app released by the government spurred debate on privacy and surveillance during the pandemic, with critics seeing ample opportunity for abuse.<ref>{{cite web |title=Poland Rolls Out Privacy-Secure Coronavirus Tracking App |url=https://www.usnews.com/news/technology/articles/2020-06-09/poland-rolls-out-privacy-secure-coronavirus-tracking-app |website=usnews.com |access-date=6 December 2020}}</ref><ref name="Polstalpylt">{{cite web |last1=Staff |first1=Reuters |title=Poland rolls out privacy-secure coronavirus tracking app |url=https://www.reuters.com/article/us-health-coronavirus-poland-tech-idUSKBN23G208 |website=Reuters |access-date=22 January 2021 |language=en |date=9 June 2020}}</ref><ref>{{cite web |title=Coronavirus contact tracing reignites Polish privacy debate |url=https://www.dw.com/en/coronavirus-contact-tracing-reignites-polish-privacy-debate/a-53600913 |website=dw.com |access-date=4 February 2021}}</ref> || {{w|Poland}}
 
|-
 
|-
| 2020 || August 12 || || “ Vietnam. Some 15.7 million smartphone users had downloaded Bluezone, a locally-developed contact-tracing app to identify and alert people who have interacted with COVID-19 patients”<ref name="vietgiup">{{cite web |title=COVID-19 tracing app Bluezone hits 15.7 million users {{!}} Society {{!}} Vietnam+ (VietnamPlus) |url=https://en.vietnamplus.vn/covid19-tracing-app-bluezone-hits-157-million-users/180161.vnp |website=VietnamPlus |access-date=20 January 2021 |language=en |date=12 August 2020}}</ref> ||
+
| 2020 || June 10 || {{w|Digital privacy}} || A French ethical hacker claims Pakistan's COVID-19 contact tracing app COVID-19 Gov PK reveals patients' locations, and emphasizes that the software is not a contact tracing app, adding that it "gives access to dashboards for each province and state, you can do a self-assessment, get radius alert, get a popup notification reminding the user of their personal hygiene".    The government denies claims.<ref name="chhac">{{cite web |title=French hacker claims Pakistan's COVID-19 contact tracing app reveals patients' locations, govt denies claims- Technology News, Firstpost |url=https://www.firstpost.com/tech/news-analysis/french-hacker-reports-that-pakistan-COVID-19-contact-tracing-app-reveals-patients-location-govt-denies-claims-8468261.html |website=Tech2 |access-date=20 January 2021 |date=10 June 2020}}</ref><ref name="aakistp">{{cite web |title=Pakistan's COVID-19 App Becomes Laughing Stock as it Fails at Contact Tracing, Privacy |url=https://www.news18.com/news/tech/pakistans-COVID-19-app-becomes-laughing-stock-as-it-fails-at-contact-tracing-privacy-2661271.html |website=News18 |access-date=20 January 2021 |language=en |date=9 June 2020}}</ref> || {{w|Pakistan}}
 
|-
 
|-
| 2020 || August 13 || || Care19 Alert<ref>{{cite web |title=North Dakota announces launch of Care19 Alert app to help reduce spread of COVID-19 as students return |url=https://www.governor.nd.gov/news/north-dakota-announces-launch-care19-alert-app-help-reduce-spread-covid-19-students-return |website=governor.nd.gov |access-date=6 December 2020}}</ref> || {{w|North Dakota}}
+
| 2020 || June 14 || {{w|Mobile app}} launch || The {{w|Saudi Authority for Data and Artificial Intelligence}} (SDAIA) launches Tabaud, a contact-tracing app aimed to track COVID-19. Saudi Arabia becomes one of the latest countries to use the Apple-Google Exposure Notification System. Users can share their information and then contact those having come into contact with. If a user tests positive, a notification would be sent to users who came into close contact with the infected user during the last 14 days.<ref>{{cite web |title=Saudi Arabia releases contact tracing app |url=https://dig.watch/updates/saudi-arabia-releases-contact-tracing-app |website=dig.watch |access-date=3 February 2021}}</ref><ref name="arasauwww">{{cite web |title=Saudi Arabia launches new COVID-19 tracing app |url=https://www.arabianbusiness.com/politics-economics/448217-saudi-arabia-launches-new-COVID-19-tracing-app |website=arabianbusiness.com |access-date=22 January 2021}}</ref>|| {{w| Saudi Arabia}}
 
|-
 
|-
| 2020 || August 14 || || Care19 Alert<ref>{{cite web |title=Wyoming launches COVID-19 exposure notification app “Care19 Alert” |url=https://wyo4news.com/news/wyoming-launches-covid-19-exposure-notification-app-care19-alert/ |website=wyo4news.com |access-date=6 December 2020}}</ref> || {{w|Wyoming}}
+
| 2020 || June 15 || {{w|Digital privacy}} || The Norwegian government decides to stop using its COVID-19 contact tracing app after controversial case concerning privacy, and hours before {{w|Amnesty International}} released an analysis criticizing the app.<ref name="Norrw">{{cite web |title=Norway halts COVID-19 contact tracing app a major win for privacy |url=https://www.amnesty.org/en/latest/news/2020/06/norway-covid19-contact-tracing-app-privacy-win/ |website=www.amnesty.org |access-date=22 January 2021 |language=en}}</ref> || {{w|Norway}}
 
|-
 
|-
| 2020 || August 17 || || GuideSafe<ref>{{cite web |title=Alabama launches statewide coronavirus tracking app |url=https://www.al.com/news/2020/08/alabama-launches-statewide-coronavirus-tracking-app.html |website=al.com |access-date=6 December 2020}}</ref> || {{w|Alabama}}
+
| 2020 || June 15 || {{w|Mobile app}} launch || The Uruguyan Government launches CoronavirusUY, which uses {{w|Exposure Notification}} system.<ref>{{cite web |title=App coronavirus UY: cómo descargarla y recibir alertas por COVID-19 |url=https://www.elpais.com.uy/informacion/servicios/app-coronavirus-uy-descargarla-recibir-alertas-covid.html |website=Diario EL PAIS Uruguay |access-date=8 March 2021 |language=spanish}}</ref><ref>{{cite web |title=Red Gealc |url=https://www.redgealc.org/contenido-general/noticias/se-presentaron-las-alertas-de-exposicion-en-la-aplicacion-coronavirus.uy/ |website=Red Gealc |access-date=8 March 2021}}</ref><ref>{{cite web |title=Lanzan app con alerta de exposición al COVID-19 en Uruguay |url=https://www.france24.com/es/20200615-lanzan-app-con-alerta-de-exposici%C3%B3n-al-COVID-19-en-uruguay |website=France 24 |access-date=3 February 2021 |date=15 June 2020}}</ref> || {{w| Uruguay}}
 
|-
 
|-
| 2020 || August 19 || || Covid Watch<ref>{{cite web |title=UA Launches 'Covid Watch' Virus Notification App |url=https://www.tucsonlocalmedia.com/news/article_3c61a178-e25b-11ea-bba5-4f4b588e677d.html |website=tucsonlocalmedia.com |access-date=6 December 2020}}</ref> || {{w|Arizona}}
+
| 2020 || June 16 || {{w|Mobile app}} launch || The {{w|Robert Koch Institute}} in {{w|Germany}} launches the {{w|Corona-Warn-App}}, which is designed to speedily track down new clusters of coronavirus infection as the country's lockdown is relaxed.<ref>{{cite web |title=Germany launches 'best' coronavirus tracing app |url=https://www.dw.com/en/germany-launches-best-coronavirus-tracing-app/a-53825213 |website=dw.com |access-date=6 December 2020}}</ref><ref name="rmanla">{{cite web |last1=Welle (www.dw.com) |first1=Deutsche |title=Germany launches 'best' coronavirus tracing app {{!}} DW {{!}} 16.06.2020 |url=https://www.dw.com/en/germany-launches-best-coronavirus-tracing-app/a-53825213 |website=DW.COM |access-date=19 January 2021}}</ref><ref name="Sleigh"/> The app is launched after a long-drawn discussion about data privacy issues and the related design of the app. The download is voluntary, and information exchange takes place locally on people’s phones without collecting information on a central server about personal identities or locations.<ref name="COVID-19 contv"/><ref name="vovovo">{{cite web |title=Germany Launches Contact-Tracing, Norway Halts Its System |url=https://learningenglish.voanews.com/a/germany-launches-contact-tracing-norway-halts-its-system/5465402.html |website=VOA |access-date=22 January 2021 |language=en}}</ref> || {{w|Germany}}
 
|-
 
|-
| 2020 || August 20 || || Hoia<ref>{{cite web |title=Feature | Estonia launches coronavirus exposure notification app 'HOIA' |url=https://news.err.ee/1125119/feature-estonia-launches-coronavirus-exposure-notification-app-hoia |website=news.err.ee |access-date=6 December 2020}}</ref> || {{w|Estonia}}
+
| 2020 || June || Policy || {{w|Germany}} mandates contact tracing for all COVID-19 cases.<ref name="Health Anal"/> || {{w|Germany}}
 
|-
 
|-
| 2020 || August 31 || || Koronavilkku "The Koronavilkku smartphone app has now been published to help break infection chains. You can now download Koronavilkku to your phone free of charge from the most popular app stores." "“The Koronavilkku mobile app is part of the Government's test, trace, isolate and treat strategy. The app makes it more efficient to reach people exposed to the virus and refer them to treatment. This way, infection chains can also be broken more efficiently”, says Kirsi Varhila, Permanent Secretary of the Ministry of Social Affairs and Health." <ref>{{cite web |title=Koronavilkku has now been published - download the app to your phone! |url=https://thl.fi/en/web/thlfi-en/-/koronavilkku-has-now-been-published-download-the-app-to-your-phone- |website=thl.fi |access-date=16 January 2021}}</ref><ref>{{cite web |title=The Finnish Covid-19 app Koronavilkku has now been published – download the app to your phone! |url=https://www.solita.fi/en/the-finnish-covid-19-app-koronavilkku-has-now-been-published/ |website=solita.fi |access-date=16 January 2021}}</ref> || {{w|Finland}}
+
| 2020 || June 16 || {{w|Digital privacy}} || An investigation by {{w|Amnesty International}} reveals that {{w|Bahrain}}’s ‘BeAware Bahrain’, {{w|Kuwait}}’s ‘Shlonik’ and {{w|Norway}}’s ‘Smittestopp’ apps stand out among the most dangerous contact tracing apps regarding privacy, "with all three actively carrying out live or near-live tracking of users’ locations by frequently uploading GPS coordinates to a central server".<ref name="bvbaa">{{cite web |title=Bahrain, Kuwait and Norway contact tracing apps a danger for privacy |url=https://www.amnesty.org/en/latest/news/2020/06/bahrain-kuwait-norway-contact-tracing-apps-danger-for-privacy/ |website=www.amnesty.org |access-date=22 January 2021 |language=en}}</ref> || {{w|Bahrain}}, {{w|Kuwait}}, {{w|Norway}}
 
|-
 
|-
| 2020 || September 1 || || COVID Alert SA "Now you can, by downloading and using the COVID Alert SA app, the South African government’s official Bluetooth contact-tracing app. It’s built on the Apple–Google Exposure Notifications application programmable interface (API). User privacy and security are at the core of the design. Anyone in South Africa who has a Bluetooth-enabled smartphone can access this app."<ref>{{cite web |title=Download the app – Every COVID Alert SA app download means more lives saved in SA |url=https://sacoronavirus.co.za/2020/09/01/download-the-app-every-covid-alert-sa-app-download-means-more-lives-saved-in-sa/ |website=sacoronavirus.co.za |access-date=16 January 2021}}</ref><ref>{{cite web |title=COVID-19 Alert: South Africa to Move to Level 1 Restrictions from Sept. 21 |url=https://www.worldaware.com/covid-19-alert-south-africa-move-level-1-restrictions-sept-21 |website=worldaware.com |access-date=16 January 2021}}</ref> || {{w|South Africa}}
+
| 2020 || June 17 || Userbase || Germany’s {{w|Corona-Warn-App}} is downloaded 6.5 million times in the first 24 hours since its launch.<ref>{{cite web |last1=Staff |first1=Reuters |title=German coronavirus tracing app downloaded 6.5 million times |url=https://www.reuters.com/article/us-health-coronavirus-germany-app-idUSKBN23O13G |website=Reuters |access-date=15 June 2021 |language=en |date=2020-06-17}}</ref> || {{w|Germany}}
 
|-
 
|-
| 2020 || September 1 || || STAYAWAY COVID<ref>{{cite web |title=StayAway Covid |url=https://www.sns.gov.pt/noticias/2020/09/01/stayaway-covid-2/ |website=sns.gov.pt |access-date=6 December 2020}}</ref> || {{w|Portugal}}
+
| 2020 || June 18 || {{w|Mobile app}} launch || {{w|Toronto}} and {{w|New York City}}–based Micron Digital Corp develops BIOS (Biokinetic Interactivity Observation System), a mobile phone application aimed at tracing contacts with potential positive cases anonymously.<ref name="Dhabisob">{{cite web |title=BIOS, anonymous contact tracing app for COVID-19 |url=https://www.dhakatribune.com/health/coronavirus/2020/06/18/bios-anonymous-contact-tracing-app-for-COVID-19 |website=Dhaka Tribune |access-date=20 January 2021 |date=18 June 2020}}</ref> || {{w|United States}},{{w|Canada}}
 
|-
 
|-
| 2020 || September 3 || || "Some of the country’s biggest private companies are supporting StaySafe.ph, a contact tracing application launched Thursday by the national government to mitigate the spread of the coronavirus disease 2019” - Philippines -
+
| 2020 || June 18 || {{w|Mobile app}} launch || The Danish government launches COVID-19 infection tracing app Smittestop, which notifies citizens who have been in close proximity to a person infected with COVID-19.<ref>{{cite web |title=Denmark launches coronavirus app Smittestop |url=https://cphpost.dk/?p=115021 |website=The Copenhagen Post |access-date=3 February 2021 |language=DK |date=18 June 2020}}</ref><ref>{{cite web |title=Danish COVID-19 infection tracing app (Smittestop) |url=https://oecd-opsi.org/covid-response/danish-COVID-19-infection-tracing-app-smittestop/ |website=oecd-opsi.org |access-date=6 December 2020}}</ref> || {{w| Denmark}}
<ref name="Safetataqhr">{{cite web |title=StaySafe.ph seen to boost contact tracing efforts |url=https://www.pna.gov.ph/articles/1114332 |website=www.pna.gov.ph |access-date=20 January 2021 |language=en}}</ref> ||
 
 
|-
 
|-
| 2020 || September 3 || || "“September 3, 2020: South Africa launches free COVID-19 contact tracing app”<ref name="Matedestina">{{cite web |last1=Matengo |first1=Dinah |title=South Africa launches free COVID-19 contact tracing app |url=https://africa.cgtn.com/2020/09/03/south-africa-launches-new-app-to-prevent-second-wave-of-covid-19/ |website=CGTN Africa |access-date=20 January 2021}}</ref> || {{w|South Africa}}
+
| 2020 || June 18 || Manual contact tracing || A survey shows that the national coronavirus contact tracing workforce in the {{w|United States}} reached 37,110 workers, tripling 11,142 workers counted six weeks before.<ref>{{cite web |title=As States Reopen, Do They Have The Workforce They Need To Stop Coronavirus Outbreaks? |url=https://www.npr.org/sections/health-shots/2020/06/18/879787448/as-states-reopen-do-they-have-the-workforce-they-need-to-stop-coronavirus-outbre |website=NPR.org |access-date=22 March 2021 |language=en}}</ref> || {{w|United States}}
 
|-
 
|-
| 2020 || September 9 || || “Myanmar government developed a covid-19 tracking app”<ref name="Myaconfi">{{cite web |title=Myanmar government developed a COVID-19 tracking App - News - EuroCham Myanmar |url=https://eurocham-myanmar.org/post/615/Myanmar-government-developed-a-COVID-19-tracking-App |website=eurocham-myanmar.org |access-date=20 January 2021}}</ref> || {{w|Myanmar}}
+
| 2020 || June 19 || {{w|Mobile app}} launch || Japan launches the COVID-19 Contact-Confirming Application (COCOA), which allows users to know whether or not they had contact with infected persons. It is developed by {{w|Microsoft}}.<ref>{{cite web |last1=Byford |first1=Sam |title=Japan rolls out Microsoft-developed COVID-19 contact tracing app |url=https://www.theverge.com/2020/6/19/21296603/japan-COVID-19-contact-tracking-app-cocoa-released |website=The Verge |access-date=3 February 2021 |language=en |date=19 June 2020}}</ref><ref name="japneoclqtt">{{cite web |title=Japan's coronavirus contact-tracing app launched amid privacy concerns |url=https://www.japantimes.co.jp/news/2020/06/19/national/japan-contact-tracing-app-launched/ |website=The Japan Times |access-date=20 January 2021 |date=19 June 2020}}</ref><ref>{{cite web |title=Effectiveness of the COVID-19 Contact-Confirming Application (COCOA) based on a Multi Agent Simulation |url=https://arxiv.org/abs/2008.13166 |website=arxiv.org |access-date=6 December 2020}}</ref> || {{w|Japan}}
 
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|-
| 2020 || September 10 || || "Scotland launched a nationwide COVID-19 contact-tracing application called Protect Scotland, ZDNet reports”
+
| 2020 || June 25 || {{w|Mobile app}} launch || Switzerland launches COVID-19 contact tracing app {{w|SwissCovid}}, which uses {{w|exposure notification}}.<ref>{{cite web |title=SwissCovid app available from 25 June |url=https://www.bag.admin.ch/bag/en/home/das-bag/aktuell/news/news-25-06-2020.html |website=bag.admin.ch |access-date=6 December 2020}}</ref><ref>{{cite web |last1=MacNamee |first1=Sara Ibrahim, Terence |title=Switzerland launches SwissCovid tracing app for residents |url=https://www.swissinfo.ch/eng/switzerland-launches-swisscovid-contact-tracing-app-for-residents/45859778 |website=SWI swissinfo.ch |access-date=3 February 2021 |language=en}}</ref> || {{w|Switzerland}}
<ref name="lausco">{{cite web |title=Scotland launches contact-tracing app |url=https://iapp.org/news/a/scotland-launches-contact-tracing-app/ |website=iapp.org |access-date=22 January 2021}}</ref> || {{w|United Kingdom}} ({{w|Scotland}})
 
 
|-
 
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| 2020 || September 10 || || Guam Covid Alert "Guam is the first U.S. Territory to launch an exposure notification app developed by engineers with Apple, Google, and the PathCheck Foundation that uses Bluetooth technology for digital contact tracing." <ref>{{cite web |title=Guam launches COVID Alert mobile app to aid contact tracing efforts |url=https://www.pncguam.com/guam-launches-covid-alert-mobile-app-to-aid-contact-tracing-efforts/ |website=pncguam.com |access-date=16 January 2021}}</ref><ref>{{cite web |title=Guam Covid Alert |url=https://guamcovidalert.guam.gov/launching-soon/ |website=guamcovidalert.guam.gov|access-date=16 January 2021}}</ref>|| {{w|Guam}}
+
| 2020 || June 29 || {{w|Mobile app}} launch || Spain launches first phase of Radar COVID, which uses {{w|Exposure Notification}} system.<ref name="spatdm">{{cite web |last1=Vega |first1=Guillermo |title=Spain launches first phase of coronavirus-tracking app |url=https://english.elpais.com/society/2020-06-29/spain-launches-first-phase-of-coronavirus-tracking-app.html |website=EL PAÍS |access-date=20 January 2021 |language=en |date=29 June 2020}}</ref><ref name="spatdm">{{cite web |last1=Vega |first1=Guillermo |title=Spain launches first phase of coronavirus-tracking app |url=https://english.elpais.com/society/2020-06-29/spain-launches-first-phase-of-coronavirus-tracking-app.html |website=EL PAÍS |access-date=20 January 2021 |language=en |date=29 June 2020}}</ref><ref>{{cite web |title=Así es Radar COVID, la aplicación de rastreo de contactos de coronavirus española |url=https://hipertextual.com/2020/06/radar-covid-app-rastreo-contactos-android-espana |website=hipertextual.com |access-date=6 December 2020}}</ref> || {{w|Spain}}
 
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| 2020 || September 11 || || Protect Scotland "It became available to download free on to a smart phone from Apple's App Store or Google Play on Thursday. The Protect Scotland app lets people know if they have been in close contact with someone who later tests positive. The Scottish government has said the software will support the Test and Protect system and is "another tool in the fight against Covid-19"."<ref>{{cite web |title=Scotland's Covid contact tracing app downloaded more than 600,000 times |url=https://www.bbc.com/news/uk-scotland-54098960 |website=bbc.com |access-date=16 January 2021}}</ref>  “England and Wales' contact-tracing app gets launch date”<ref name="Englmonam">{{cite web |title=Coronavirus: England and Wales' contact-tracing app gets launch date |url=https://www.bbc.com/news/technology-54118022 |website=BBC News |access-date=20 January 2021 |date=11 September 2020}}</ref> || {{w|United Kingdom}}
+
| 2020 || July 7 || {{w|Mobile app}} launch || The {{w|Irish Government}} releases digital contact tracing app {{w|COVID Tracker Ireland}}, which uses {{w|exposure notification}} by {{w|Google}} and {{w|Apple Inc.}}<ref>{{cite web |title=Coronavirus: 1 Death From COVID-19 In Ireland Today |url=https://www.midlands103.com/news/midlands-news/coronavirus-national-news-tuesday-7th-july-2020/ |website=midlands103.com |access-date=6 December 2020}}</ref> || {{w|Ireland}}
 
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| 2020 || September 15 || || COVID Alert DE "Gov. John Carney, the Delaware Department of Health and Social Services, and the Delaware Department of Technology and Information on Sept. 15 launched COVID Alert DE – a mobile app available in the App Store or Google Play that will help Delaware fight community spread of COVID-19. "<ref>{{cite web |title=State of Delaware Launches COVID Alert DE Mobile App |url=https://news.delaware.gov/2020/09/15/state-of-delaware-launches-covid-alert-de-mobile-app/ |website=news.delaware.gov |access-date=16 January 2021}}</ref><ref>{{cite web |title=State of Delaware launches COVID Alert DE mobile app |url=https://www.capegazette.com/article/state-delaware-launches-covid-alert-de-mobile-app/208598 |website=capegazette.com |access-date=16 January 2021}}</ref> || {{w|United States}} ({{w|Delaware}})
+
| 2020 || July 13 || {{w|Mobile app}} launch || Kenya's Ministry of Health announces launch of web-based app to trace COVID-19 cases in the country.<ref name="Kenlontim">{{cite web |title=Kenya launches web-based app to trace COVID-19 cases - Xinhua {{!}} English.news.cn |url=http://www.xinhuanet.com/english/2020-07/13/c_139209867.htm |website=www.xinhuanet.com |access-date=20 January 2021}}</ref> || {{w|Kenya}}
 
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|-
| 2020 || September 17 || || eRouška (eMask) <ref>{{cite web |title=Chráním sebe, chráním tebe! |url=https://erouska.cz/ |website=erouska.cz |access-date=16 January 2021}}</ref><ref>{{cite web |title=eRouška 2.0: Co to je, jak se používá a proč se nemusíte bát o soukromí |url=https://www.mobilmania.cz/clanky/erouska-20-co-to-je-jak-se-pouziva-a-proc-se-nemusite-bat-o-soukromi/sc-3-a-1349357/default.aspx |website=mobilmania.cz |access-date=16 January 2021}}</ref> || {{w|Czech Republic}}
+
| 2020 || July || Program shutdown || Most states in India abandon contact tracing, as COVID-19 cases surge in the country. States instead opt for doing mass testing. As a response, experts say one cannot be a replacement for the other.<ref>{{cite web |last1=Saikia |first1=Arunabh |title=COVID-19: As cases surge in India, most states abandon contact tracing |url=https://scroll.in/article/967223/COVID-19-as-cases-surge-in-india-most-states-abandon-contact-tracing |website=Scroll.in |access-date=26 April 2021}}</ref> || {{w|India}}
 
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| 2020 || September 22 || || SlowCOVIDNC <ref>{{cite web |title=Coronavirus Today – Sep 22 – Large stadiums and return of fans; Governor would take vaccine; SlowCOVIDNC app launched |url=https://www.northcarolinahealthnews.org/2020/09/22/coronavirus-today-sep-22/ |website=northcarolinahealthnews.org |access-date=16 January 2021}}</ref><ref>{{cite web |title=The North Carolina Department of Health and Human Services launches SlowCOVIDNC exposure notification app |url=https://www.unc.edu/posts/2020/09/22/the-north-carolina-department-of-health-and-human-services-launches-slowcovidnc-exposure-notification-app/ |website=unc.edu |access-date=16 January 2021}}</ref> || {{w|North Carolina}}
+
| 2020 || July || Policy || {{w|Canada}} mandates contact tracing for all cases of COVID-19 cases.<ref name="Health Anal">{{cite web |title=Is India doing enough contact tracing in its battle against COVID-19? |url=https://www.ha-asia.com/is-india-doing-enough-contact-tracing-in-its-battle-against-COVID-19/ |website=Health Analytics Asia |access-date=1 June 2021 |date=2020-09-18}}</ref> || {{w|Canada}}
 
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|-
| 2020 || September 22 || || "NCDHHS launches contact tracing app SlowCOVIDNC” <ref name="ncdhhhlau">{{cite web |title=NCDHHS launches contact tracing app SlowCOVIDNC |url=https://www.elonnewsnetwork.com/article/2020/09/ncdhhs-launches-contact-tracing-app |website=Elon News Network |access-date=22 January 2021}}</ref>
+
| 2020 || July 21 || {{w|Digital privacy}} || Major security flaws are found in a South Korean quarantine app, exposing private details of people in quarantine. The flaws are also found to allow hackers to tamper with data to make it look as if users of the app were either violating quarantine orders or still in quarantine despite being somewhere else. After acknowledgement by South Korean officials, the defects are eventually fixed.<ref name="Zhonolik">{{cite web |last1=Sang-Hun |first1=Choe |last2=Krolik |first2=Aaron |last3=Zhong |first3=Raymond |last4=Singer |first4=Natasha |title=Major Security Flaws Found in South Korea Quarantine App |url=https://www.nytimes.com/2020/07/21/technology/korea-coronavirus-app-security.html |website=The New York Times |access-date=20 January 2021 |date=21 July 2020}}</ref> || {{w|South Korea}}
 
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| 2020 || September 24 || || {{w|NHS COVID-19}} "NHS coronavirus app to launch in England and Wales on 24 September"<ref>{{cite web |title=NHS coronavirus app to launch in England and Wales on 24 September |url=https://www.theguardian.com/world/2020/sep/11/nhs-coronavirus-app-launch-england-wales-24-september |website=theguardian.com |access-date=17 January 2021}}</ref> ||
+
| 2020 || July 21 || Education || {{w|Florida}}–based {{w|Ultimate Medical Academy}} launches a new online, non-credit, six-module interactive course which can be completed in only a few hours, covering topics like {{w|epidemiology}}, {{w|public health}} and the day-to-day tasks of contact tracers.<ref>{{cite web |title=Ultimate Medical Academy Launches Contact Tracing Course |url=https://www.ultimatemedical.edu/newsroom/ultimate-medical-academy-launches-contact-tracing-course/ |website=www.ultimatemedical.edu |access-date=6 April 2021}}</ref> || {{w|United States}}
 
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| 2020 || September 24 || || COVID Alert PA <ref>{{cite web |title=More Than 50,000 People Download COVID Alert PA App |url=https://pittsburgh.cbslocal.com/2020/09/24/covid-alert-pa-app-downloads/ |website=pittsburgh.cbslocal.com |access-date=17 January 2021}}</ref> || {{w|Pennsylvania}}
+
| 2020 || July 21 || Performance || An article by Christie Aschwanden on <code>scientificamerican.com</code> reports on contact tracing in the United States being severely underused, and states that, despite tracing’s success in other countries, the U.S. government has failed to adequately fund or apply the tool.<ref name="dsdsdsdf">{{cite web |last1=Aschwanden |first1=Christie |title=Contact Tracing, a Key Way to Slow COVID-19, Is Badly Underused by the U.S. |url=https://www.scientificamerican.com/article/contact-tracing-a-key-way-to-slow-COVID-19-is-badly-underused-by-the-u-s/ |website=Scientific American |access-date=13 April 2021 |language=en}}</ref> || {{w|United States}}
 
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| 2020 || September 30 || || Coronalert<ref>{{cite web |title=‘Coronalert’: how Belgium’s coronavirus tracing app works |url=https://www.brusselstimes.com/news/belgium-all-news/133576/coronalert-how-belgiums-coronavirus-tracing-app-works/ |website=brusselstimes.com |access-date=17 January 2021}}</ref> || {{w|Belgium}}
+
| 2020 || July 23 || Education || {{w|California}}–based {{w|Bakersfield College}} announces launch of a week-long Infectious Disease Contact Tracing Course, as a response of need for more contact tracers.<ref>{{cite web |title=Bakersfield College Launches Contact Tracing Course to Train “Coronavirus Detectives” {{!}} Bakersfield College |url=https://www.bakersfieldcollege.edu/news/2020/0723-bakersfield-college-launches-contact-tracing-course-to-train-coronavirus-detectives |website=www.bakersfieldcollege.edu |access-date=6 April 2021 |language=en}}</ref><ref>{{cite web |last1=Californian |first1=The Bakersfield |title=BC launches Contact Tracing Course to train ‘coronavirus detectives’ |url=https://www.bakersfield.com/news/bc-launches-contact-tracing-course-to-train-coronavirus-detectives/article_abbf94f0-cb84-11ea-8daf-3bd94e6f33b4.html |website=The Bakersfield Californian |access-date=8 April 2021 |language=en}}</ref> || {{w|United States}}
 
|-
 
|-
| 2020 || October 1 || || "Governor Phil Murphy and New York Governor Andrew M. Cuomo today announced the launch of COVID-19 exposure notification mobile apps in their respective states that will serve as crucial tools to supplement the effort to trace and contact individuals subject to a COVID exposure. The apps, COVID Alert NJ and COVID Alert NY, notify users of potential COVID-19 exposure while maintaining user privacy and security. With today’s launch, New Jersey and New York join Pennsylvania and Delaware in creating a regional COVID Alert app network that operates across state lines to stop the spread of COVID-19. Connecticut has also announced it will launch an app in the near future using the same technology."<ref>{{cite web |title=Governor Murphy and Governor Cuomo Launch Exposure Notification Apps to Help Stop the Spread of Covid-19 |url=https://www.nj.gov/governor/news/news/562020/20201001a.shtml |website=nj.gov |access-date=17 January 2021}}</ref> ||
+
| 2020 || July 27 || {{w|Mobile app}} launch || Croatia launches contact tracing app STOP COVID-19, a voluntary, cyber-secured application, using only temporary and anonymous data. It does not use geolocation tracking, and there is no collection of user’s data, with the app success expected to be based on "conscientious and solidary participation of citizens”.<ref>{{cite web |title=Croatia Launches New 'STOP COVID-19' Tracing App |url=https://bird.tools/live_updates/croatia-launches-new-stop-COVID-19-tracing-app/ |website=BIRD |access-date=3 February 2021}}</ref> || {{w| Croatia}}
 
|-
 
|-
| 2020 || October 10 || || CoronaMelder<ref>{{cite web |title=Dutch coronavirus app rolls out nationally Oct. 10 after months of talks |url=https://nltimes.nl/2020/10/06/dutch-coronavirus-app-rolls-nationally-oct-10-months-talks |website=nltimes.nl |access-date=17 January 2021}}</ref> || {{w|Netherlands}}
+
| 2020 || July 30 || {{w|Mobile app}} launch || StopCOVID NI launches in {{w|Northern Ireland}}, which becomes the first region in the {{w|United Kingdom}} to launch a COVID-19 tracker app.<ref>{{cite web |title=COVID-19: Tracing app is released for NI |url=https://www.bbc.com/news/uk-northern-ireland-53599514 |website=bbc.com |access-date=6 December 2020}}</ref><ref>{{cite web |title=Northern Ireland launches UK's first COVID-19 tracker app |url=https://www.reuters.com/article/us-health-coronavirus-nireland-app/northern-ireland-launches-uks-first-COVID-19-tracker-app-idUSKCN24W1UX |website=Reuters |access-date=3 February 2021 |language=en |date=31 July 2020}}</ref> || {{w|United Kingdom}} ({{w|Northern Ireland}})
 
|-
 
|-
| 2020 || October 14 || || Jersey COVID Alert<ref>{{cite web |title=Covid: Jersey launches contact tracing app |url=https://www.bbc.com/news/world-europe-jersey-54537988#:~:text=A%20new%20coronavirus%20contact%2Dtracing,by%20the%20contact%2Dtracing%20team. |website=bbc.com |access-date=16 January 2021}}</ref> || {{w|Jersey}}
+
| 2020 || July 31 || {{w|Mobile app}} launch || COVID-19 tracking app {{w|COVID Alert}} is launched in {{w|Canada}} by the federal government. Code from {{w|Shopify}} was used and app security was built with assistance of {{w|Blackberry Inc}}. The technology is developed with {{w|Apple Inc}} and {{w|Google}}.<ref>{{cite web |title=Positive test but no code to enter into COVID Alert exposure app? We want to hear from you |url=https://www.ctvnews.ca/health/coronavirus/positive-test-but-no-code-to-enter-into-covid-alert-exposure-app-we-want-to-hear-from-you-1.5146359 |website=ctvnews.ca |access-date=6 December 2020}}</ref><ref>{{cite web |title=Canada launches COVID-19 tracking app — but only in Ontario |url=https://globalnews.ca/news/7239119/coronavirus-exposure-notification-app-COVID-19-ontario/ |website=Global News |access-date=3 February 2021}}</ref><ref>{{cite web |title=Co-designing with the app generation: Findings and collaboration opportunities for research, design, and policy around digital youth |url=https://theconversation.com/canadas-covid-alert-app-is-a-case-of-tech-driven-bad-policy-design-144448 |website= The Conversation |access-date=3 February 2021 |pages=1–3 |doi=10.1002/meet.2014.14505101006 |date=2014}}</ref><ref name="ohansey">{{cite web |last1=Johnson |first1=Kelsey |title=Canada launches COVID-19 contact tracing app as restrictions loosen |url=https://www.reuters.com/article/healthcoronavirus-canada/canada-launches-COVID-19-contact-tracing-app-as-restrictions-loosen-idUSL2N2F12N6 |website=Reuters |access-date=22 January 2021 |language=en |date=31 July 2020}}</ref> || {{w|Canada}}
 
|-
 
|-
| 2020 || October 14 || || "A new coronavirus contact-tracing app has been launched in Jersey. The Covid alert app will send an exposure warning to those who may have been in close contact with an infected person” <ref name="Jersseee">{{cite web |title=Covid: Jersey launches contact tracing app |url=https://www.bbc.com/news/world-europe-jersey-54537988 |website=BBC News |access-date=22 January 2021 |date=14 October 2020}}</ref>.
+
| 2020 || July 31 || {{w|Mobile app}} launch || The Government of Brazil announces Coronavírus-SUS.<ref>{{cite web |title=Capa |url=https://www.gov.br/saude/pt-br |website=Ministério da Saúde |access-date=11 March 2021 |language=pt-br}}</ref> || {{w|Brazil}}
 
|-
 
|-
| 2020 || October 25 || || CO Exposure Notifications<ref>{{cite web |title=CO Exposure Notification Technology Goes Live Today |url=https://www.colorado.gov/governor/news/3296-co-exposure-notification-technology-goes-live-today |website=colorado.gov |access-date=17 January 2021}}</ref> || {{w|Colorado}}
+
| 2020 || End of July || Education || More than half a million people are enrolled for a free online COVID-19 contact-tracing course offered by {{w|Johns Hopkins University}}.<ref name="nejm.org">{{cite web |title=“A Menace to the Public Health” — Contact Tracing and the Limits of Persuasion |url=https://www.nejm.org/doi/full/10.1056/NEJMp2021887 |website=nejm.org |access-date=5 December 2020}}</ref> || {{w|United States}}
 
|-
 
|-
| 2020 || October 26 || || "France launches new contact tracing app, TousAntiCovid”<ref name="Heafraauh">{{cite web |title=France launches new contact tracing app, TousAntiCovid |url=https://www.healthcareitnews.com/news/emea/france-launches-new-contact-tracing-app-tousanticovid |website=Healthcare IT News |access-date=20 January 2021 |language=en |date=26 October 2020}}</ref> || {{w|France}}
+
| 2020 || August 5 || Protocol integration || {{w|Brazil}} integrates Apple-Google {{w|exposure notification}} tech into its federal government-backed COVID-19 smartphone app.<ref name="ratesa">{{cite web |last1=Mari |first1=Angelica |title=Brazil integrates Apple-Google exposure notification tech into coronavirus app |url=https://www.zdnet.com/article/brazil-integrates-apple-google-exposure-notification-tech-into-coronavirus-app/ |website=ZDNet |access-date=20 January 2021 |language=en}}</ref> || {{w|Brazil}}
 
|-
 
|-
| 2020 || November 9 || || MI COVID Alert " Michigan launched the statewide rollout of a voluntary, free coronavirus app Monday, Nov. 9, 2020. The app notifies users if they have potentially been in close contact with infected people."<ref>{{cite web |title=COVID-19 Alert App notifies users if they have been in close contact with infected people |url=https://wwmt.com/news/local/covid-19-alert-app-notifies-users-if-they-have-been-in-close-contact-with-infected-people |website=wwmt.com |access-date=17 January 2021}}</ref> || {{w|Michigan}}
+
| 2020 || August 12 || Userbase || As of date, about 15.7 million smartphone users have downloaded Vietnamese locally-developed contact-tracing app Bluezone, designed to identify and alert people who have interacted with COVID-19 patients.<ref name="vietgiup">{{cite web |title=COVID-19 tracing app Bluezone hits 15.7 million users {{!}} Society {{!}} Vietnam+ (VietnamPlus) |url=https://en.vietnamplus.vn/covid19-tracing-app-bluezone-hits-157-million-users/180161.vnp |website=VietnamPlus |access-date=20 January 2021 |language=en |date=12 August 2020}}</ref> || {{w|Vietnam}}
 
|-
 
|-
| 2020 || November 10 || || "The Maryland Department of Health (MDH) today announced the launch of MD COVID Alert, the official COVID-19 Exposure Notifications Express system of Maryland. MD COVID Alert uses Bluetooth Low Energy technology to quickly notify users who might have been exposed to someone who tested positive for COVID-19 with the goal of reducing infections in Maryland."<ref>{{cite web |title=Maryland Department of Health launches MD COVID Alert |url=https://health.maryland.gov/newsroom/Pages/Maryland-Department-of-Health-launches-MD-COVID-Alert.aspx |website=health.maryland.gov |access-date=17 January 2021}}</ref> ||  
+
| 2020 || August 12 || Userbase || The Indian government-promoted app Aarogya Setu reaches 150 million downloads, after four months of its commencement.<ref name="BW Businessworldvv">{{cite web |last1=Bureau |first1=BW Online |title=Contact tracing app Aarogya Setu reaches 150 million downloads in 4 months |url=http://www.businessworld.in/article/Contact-tracing-app-Aarogya-Setu-reaches-150-million-downloads-in-4-months-/12-08-2020-307829/ |website=BW Businessworld |access-date=26 April 2021 |language=en}}</ref> || {{w|India}}
 
|-
 
|-
| 2020 || November 11 || || Aloha Safe Alert || {{w|Hawaii}}
+
| 2020 || August 13 || {{w|Mobile app}} launch || The government of {{w|Ecuador}} launches app that notifies users contact with {{w|COVID-19}} cases.<ref>{{cite web |title=Nueva 'app' que notifica el contacto con un caso de COVID-19 está lista en Ecuador |url=https://www.elcomercio.com/actualidad/ecuador-covid-app-contacto-contagiados.html |website=El Comercio |access-date=3 February 2021}}</ref> || {{w|Ecuador}}
 
|-
 
|-
| 2020 || November 12 || || COVID Alert CT || {{w|Connecticut}}
+
| 2020 || August 18 || {{w|Mobile app}} launch || The Slovenian Public Administration Minister launches contact tracing app OstaniZdrav (StayWell), for [[w:Android (operating system)|Android]] users.<ref>{{cite web |title=Slovenia Releases Contact Tracing App for Android Users |url=https://www.total-slovenia-news.com/lifestyle/6784-slovenia-releases-contact-tracing-app-for-android-users |website=www.total-slovenia-news.com |access-date=3 February 2021 |language=en-gb}}</ref>|| {{w|Slovenia}}
 
|-
 
|-
| 2020 || November 17 || || "Russia Develops Coronavirus Contact-Tracing App”<ref name="pscoro">{{cite web |last1=Times |first1=The Moscow |title=Russia Develops Coronavirus Contact-Tracing App |url=https://www.themoscowtimes.com/2020/11/17/russia-develops-coronavirus-contact-tracing-app-a72068 |website=The Moscow Times |access-date=20 January 2021 |language=en |date=17 November 2020}}</ref> || {{w|Russia}}
+
| 2020 || August 20 || {{w|Mobile app}} launch || Estonia launches free COVID-19 exposure notification app Hoia, which is optional and not mandatory, and has the purpose to inform close contacts of those infected, and to provide them with initial instructions on how to proceed.<ref>{{cite web |title= Estonia launches coronavirus exposure notification app 'HOIA' |url=https://news.err.ee/1125119/feature-estonia-launches-coronavirus-exposure-notification-app-hoia |website=news.err.ee |access-date=6 December 2020}}</ref><ref>{{cite web |last1=ERR |first1=ERR News | |title=Estonia launches coronavirus exposure notification app 'HOIA' |url=https://news.err.ee/1125119/feature-estonia-launches-coronavirus-exposure-notification-app-hoia |website=ERR |access-date=3 February 2021 |language=en |date=20 August 2020}}</ref> || {{w|Estonia}}
 
|-
 
|-
| 2020 || November 23 || || Gosuslugi || {{w|Russia}}
+
| 2020 || August 27 || Userbase || By this time, more than 300,000 users have downloaded {{w|Northern Ireland}}'s contact-tracing app StopCovid NI, covering over 15% of the region's residents.<ref>{{cite web |last1=Leprince-Ringuet |first1=Daphne |title=More than 300,000 users have downloaded Northern Ireland's contact-tracing app |url=https://www.zdnet.com/article/more-than-300000-users-have-downloaded-northern-irelands-contact-tracing-app/ |website=ZDNet |access-date=5 April 2021 |language=en}}</ref> || {{w|United Kingdom}} ({{w|Northern Ireland}})
 
|-
 
|-
| 2020 || November 23 || || COVIDaware || {{w|Minnesota}}
+
| 2020 || August 31 || {{w|Mobile app}} launch || Finland launches smartphone app Koronavilkku, as part of the Government's test, trace, isolate and treat strategy.<ref>{{cite web |title=Koronavilkku has now been published - download the app to your phone! |url=https://thl.fi/en/web/thlfi-en/-/koronavilkku-has-now-been-published-download-the-app-to-your-phone- |website=thl.fi |access-date=16 January 2021}}</ref><ref>{{cite web |title=The Finnish COVID-19 app Koronavilkku has now been published – download the app to your phone! |url=https://www.solita.fi/en/the-finnish-COVID-19-app-koronavilkku-has-now-been-published/ |website=solita.fi |access-date=16 January 2021}}</ref><ref>{{cite web |title=It's here: Finland's coronavirus tracing app |url=https://yle.fi/uutiset/osasto/news/its_here_finlands_coronavirus_tracing_app/11519429 |website=Yle Uutiset |access-date=3 February 2021 |language=en}}</ref> In one day, Downloads of this app quickly reach 1 million, corresponding to nearly one fifth of Finland's population of 5.52 million.<ref>{{cite web |title=Coronavirus app downloads quickly reach 1 million |url=https://yle.fi/uutiset/osasto/news/coronavirus_app_downloads_quickly_reach_1_million/11521081 |website=Yle Uutiset |access-date=5 April 2021 |language=en}}</ref><ref>{{cite web |title=It's here: Finland's coronavirus tracing app |url=https://yle.fi/uutiset/osasto/news/its_here_finlands_coronavirus_tracing_app/11519429 |website=Yle Uutiset |access-date=5 April 2021 |language=en}}</ref> || {{w|Finland}}
 
|-
 
|-
| 2020 || November 30 || || WA Notify || {{w|Washington (state)}}
+
| 2020 || September 1 || {{w|Mobile app}} launch || South Africa launches COVID Alert SA, the government’s official Bluetooth contact-tracing app. It’s built on the Apple–Google {{w|Exposure Notification}}s application programmable interface (API).<ref>{{cite web |title=Download the app – Every COVID Alert SA app download means more lives saved in SA |url=https://sacoronavirus.co.za/2020/09/01/download-the-app-every-covid-alert-sa-app-download-means-more-lives-saved-in-sa/ |website=sacoronavirus.co.za |access-date=16 January 2021}}</ref><ref>{{cite web |title=COVID-19 Alert: South Africa to Move to Level 1 Restrictions from Sept. 21 |url=https://www.worldaware.com/COVID-19-alert-south-africa-move-level-1-restrictions-sept-21 |website=worldaware.com |access-date=16 January 2021}}</ref> || {{w|South Africa}}
 
|-
 
|-
| 2020 || December 21 || || Smittestopp || {{w|Norway}}
+
| 2020 || September 1 || {{w|Mobile app}} launch || StayAway Covid is launched in Portugal, for {{w|iOS}} and [[w:Android (operating system)|Android]].<ref>{{cite web |title=StayAway Covid |url=https://www.sns.gov.pt/noticias/2020/09/01/stayaway-covid-2/ |website=sns.gov.pt |access-date=6 December 2020}}</ref> || {{w|Portugal}}
 
|-
 
|-
| 2021 || January 1 || || "The Oregon Health Authority had released an app that would warn people if they were exposed to a COVID-19 outbreak”<ref name="architcov">{{cite web |last1=waterfalls |first1=About Aaron Mesh Aaron Mesh is WW's news editor He’s a Florida man who enjoys |last2=basketball |first2=Trail Blazers |last3=architecture |first3=Brutalist |title=Oregon Accidentally Launches Contact-Tracing App, but It’s Not Ready |url=https://www.wweek.com/news/state/2021/01/01/oregon-accidentally-launches-contact-tracing-app-but-its-not-ready/ |website=Willamette Week |access-date=22 January 2021}}</ref> ||
+
| 2020 || September 3 || {{w|Mobile app}} launch || The {{w|Government of Philippines}} launches StaySafe.ph, a contact tracing application aimed to trace COVID-19 close contacts and warn the public on “nearby danger”.<ref name="Safetataqhr">{{cite web |title=StaySafe.ph seen to boost contact tracing efforts |url=https://www.pna.gov.ph/articles/1114332 |website=www.pna.gov.ph |access-date=20 January 2021 |language=en}}</ref> || {{w|Philippines}}
 +
|-
 +
| 2020 || September 3 || {{w|Mobile app}} launch || COVID Alert is launched in {{w|South Africa}}. The app uses {{w|Exposure Notification}} system created by Apple and Google, and Bluetooth technology to notify users if they have been in contact with {{w|COVID-19}}.<ref name="Matedestina">{{cite web |last1=Matengo |first1=Dinah |title=South Africa launches free COVID-19 contact tracing app |url=https://africa.cgtn.com/2020/09/03/south-africa-launches-new-app-to-prevent-second-wave-of-COVID-19/ |website=CGTN Africa |access-date=20 January 2021}}</ref> || {{w|South Africa}}
 +
|-
 +
| 2020 || September 4 || Performance || High numbers of COVID-19 cases and deaths in {{w|Brazil}} are partly attributable to limited contact tracing, along with other factors such as urban density, timing of the implementation and maintenance of social distancing policies, and limited testing capacity.<ref>{{cite journal |last1=Monteiro de Oliveira |first1=Mayra |last2=Fuller |first2=Trevon L. |last3=Brasil |first3=Patricia |last4=Gabaglia |first4=Claudia R. |last5=Nielsen-Saines |first5=Karin |title=Controlling the COVID-19 pandemic in Brazil: a challenge of continental proportions |journal=Nature Medicine |date=October 2020 |volume=26 |issue=10 |pages=1505–1506 |doi=10.1038/s41591-020-1071-5}}</ref> || {{w|Brazil}}
 +
|-
 +
| 2020 || September 9 || {{w|Mobile app}} launch || Saw Saw Shar is developed by the Myanmar Computer Federation as the official contact-tracing app of Myanmar. The app provides symptom monitoring as well as timely notifications on nearby potential high-risk areas with positive cases.<ref name="Myaconfi">{{cite web |title=Myanmar government developed a COVID-19 tracking App - News - EuroCham Myanmar |url=https://eurocham-myanmar.org/post/615/Myanmar-government-developed-a-COVID-19-tracking-App |website=eurocham-myanmar.org |access-date=20 January 2021}}</ref> || {{w|Myanmar}}
 +
|-
 +
| 2020 || September 10 || {{w|Mobile app}} launch || Protect Scotland launches in Scotland as a COVID-19 contact-tracing application. The Scottish government says that the software supports the Test and Protect system and is "another tool in the fight against COVID-19".<ref>{{cite web |title=Scotland's Covid contact tracing app downloaded more than 600,000 times |url=https://www.bbc.com/news/uk-scotland-54098960 |website=bbc.com |access-date=16 January 2021}}</ref><ref name="lausco">{{cite web |title=Scotland launches contact-tracing app |url=https://iapp.org/news/a/scotland-launches-contact-tracing-app/ |website=iapp.org |access-date=22 January 2021}}</ref> || {{w|United Kingdom}} ({{w|Scotland}})
 +
|-
 +
| 2020 || September 10 || {{w|Mobile app}} launch || Guam Covid Alert is launched in {{w|Guam}}. This exposure notification app is developed by engineers with Apple, Google, and the PathCheck Foundation that uses Bluetooth technology for digital contact tracing.<ref>{{cite web |title=Guam launches COVID Alert mobile app to aid contact tracing efforts |url=https://www.pncguam.com/guam-launches-covid-alert-mobile-app-to-aid-contact-tracing-efforts/ |website=pncguam.com |access-date=16 January 2021}}</ref><ref>{{cite web |title=Guam Covid Alert |url=https://guamcovidalert.guam.gov/launching-soon/ |website=guamcovidalert.guam.gov|access-date=16 January 2021}}</ref>|| {{w|Guam}}
 +
|-
 +
| 2020 || September 17 || {{w|Mobile app}} launch || eRouška (eMask) is launched in the {{w|Czech republic}} as a contact tracing app. It uses the {{w|Exposure Notification}} protocol.<ref>{{cite web |title=Chráním sebe, chráním tebe! |url=https://erouska.cz/ |website=erouska.cz |access-date=16 January 2021}}</ref><ref>{{cite web |title=eRouška 2.0: Co to je, jak se používá a proč se nemusíte bát o soukromí |url=https://www.mobilmania.cz/clanky/erouska-20-co-to-je-jak-se-pouziva-a-proc-se-nemusite-bat-o-soukromi/sc-3-a-1349357/default.aspx |website=mobilmania.cz |access-date=16 January 2021}}</ref> || {{w|Czech Republic}}
 +
|-
 +
| 2020 || September 24 || {{w|Mobile app}} launch || {{w|NHS COVID-19}} app launches in {{w|England}} and {{w|Wales}}. It uses the {{w|Exposure Notification}} protocol.<ref>{{cite web |title=NHS coronavirus app to launch in England and Wales on 24 September |url=https://www.theguardian.com/world/2020/sep/11/nhs-coronavirus-app-launch-england-wales-24-september |website=theguardian.com |access-date=17 January 2021}}</ref> || {{w|United Kingdom}} ({{w|England}}, {{w|Wales}})
 +
|-
 +
| 2020 || September 30 || {{w|Mobile app}} launch || Belgium rolls out contact tracing app Coronalert, available to download from the Belgium App Store and working in all three regions and different languages in the country.<ref>{{cite web |title=‘Coronalert’: how Belgium’s coronavirus tracing app works |url=https://www.brusselstimes.com/news/belgium-all-news/133576/coronalert-how-belgiums-coronavirus-tracing-app-works/ |website=brusselstimes.com |access-date=17 January 2021}}</ref><ref>{{cite web |title=Belgium the latest to launch contact tracing app based on Apple/Google tech |url=https://www.imore.com/belgium-latest-launch-contact-tracing-app-based-applegoogle-tech |website=iMore |access-date=3 February 2021 |date=30 September 2020}}</ref> || {{w|Belgium}}
 +
|-
 +
| 2020 || September 30 || {{w|Mobile app}} launch || COVID Alert NY is launched in {{w|New York State}}. The app notifies users of potential COVID-19 exposure while maintaining user privacy and security. It is based on {{w|COVID Tracker Ireland}}.<ref>{{cite web |last1=Gorey |first1=Colm |title=NearForm contact-tracing apps launched in New York and New Jersey |url=https://www.siliconrepublic.com/enterprise/new-york-new-jersey-contact-tracing-apps-nearform |website=Silicon Republic |access-date=11 March 2021 |language=en |date=2 October 2020}}</ref><ref>{{cite web |title=Governor Murphy and Governor Cuomo Launch Exposure Notification Apps to Help Stop the Spread of COVID-19 |url=https://www.nj.gov/governor/news/news/562020/20201001a.shtml |website=nj.gov |access-date=17 January 2021}}</ref> || {{w|United States}} ([[w:New York (state)|New York]])
 +
|-
 +
| 2020 || September 30 || Study || A large contact tracing study in India shows that COVID-19 is transmitted mainly by "superspreaders", which consists in a small percentage of infected people.<ref>{{cite web |last1=Service |first1=Tribune News |title=Largest contact tracing study in India shows Covid transmitted mainly by ‘superspreaders’ |url=https://www.tribuneindia.com/news/nation/largest-contact-tracing-study-in-india-shows-covid-transmitted-mainly-by-superspreaders-149351 |website=Tribuneindia News Service |access-date=26 April 2021 |language=en}}</ref> || {{w|India}}
 +
|-
 +
| 2020 || October 6 || Education || {{w|University of California San Francisco}} and {{w|Salesforce}} launch free contact tracing course on Salesforce’s online learning platform Trailhead. The course lasts approximately 3.5 hours and covers the science of the virus, its impact on public health, interview techniques and effective communication skills.<ref>{{cite web |title=UCSF and Salesforce Launch Free Contact Tracing Course on Trailhead |url=https://www.salesforce.com/news/stories/ucsf-and-salesforce-launch-free-contact-tracing-course-on-trailhead/ |website=Salesforce News |access-date=11 April 2021 |date=6 October 2020}}</ref> || {{w|United States}}
 +
|-
 +
| 2020 || October 8 || {{w|Mobile app}} launch || Kazakhstan launches the Saqbol mobile app, a COVID-19 contact tracing app designed to control the spread of the infection and timely locate the virus’s hotspots. Infected users can anonymously inform others on their contacts in the last 14 days for 15 minutes and in a distance of 2 meters. According to the developers, the records of interaction between devices are encoded.<ref>{{cite web |title=Kazakhstan launches COVID-19 contact tracing app |url=https://www.inform.kz/en/kazakhstan-launches-COVID-19-contact-tracing-app_a3703810 |website=www.inform.kz |access-date=2 February 2021 |language=en |date=8 October 2020}}</ref> || {{w|Kazakhstan}}
 +
|-
 +
| 2020 || October 10 || {{w|Mobile app}} launch || Dutch COVID-19 notification app CoronaMelder is launched. It is designed according to the privacy by design requirements.<ref>{{cite web |title=Dutch coronavirus app rolls out nationally Oct. 10 after months of talks |url=https://nltimes.nl/2020/10/06/dutch-coronavirus-app-rolls-nationally-oct-10-months-talks |website=nltimes.nl |access-date=17 January 2021}}</ref> || {{w|Netherlands}}
 +
|-
 +
| 2020 || October 19 || Userbase || As of date, Ireland's COVID Tracker app has 2.1 million registrations since its launch, and has an active user base of 1.31 million. This represents 34 per cent of the adult population in the country.<ref>{{cite web |title=Ireland is one of the first countries to link contact tracing apps with other EU Member States |url=https://www.gov.ie/en/press-release/2dc55-ireland-is-one-of-the-first-countries-to-link-contact-tracing-apps-with-other-eu-member-states/ |website=www.gov.ie |access-date=5 April 2021 |language=en}}</ref> || {{w|Republic of Ireland}}
 +
|-
 +
| 2020 || October 26 || {{w|Mobile app}} launch || The French government launches TousAntiCovid, which uses a centralized system that sends the data from a phone to government systems to do the contact matching.<ref name="Heafraauh">{{cite web |title=France launches new contact tracing app, TousAntiCovid |url=https://www.healthcareitnews.com/news/emea/france-launches-new-contact-tracing-app-tousanticovid |website=Healthcare IT News |access-date=20 January 2021 |language=en |date=26 October 2020}}</ref> || {{w|France}}
 +
|-
 +
| 2020 || October 31 || Performance || {{w|Taiwan}}'s COVID-19 response is considered to be a success, cumulating over six months without a locally transmitted case. It is considered to be the only major country having so far been able to keep community transmission of {{w|COVID-19}} eliminated. Its contact tracing deployment on average linked 20 to 30 contacts to each confirmed case. In extreme situations, the government tracked down as many as 150 contacts. All contacts would undergo a 14-day home quarantine, even if they test negative.<ref>{{cite web |title=How Taiwan’s COVID response became the world’s envy |url=https://fortune.com/2020/10/31/taiwan-best-covid-response/ |website=Fortune |access-date=26 April 2021 |language=en}}</ref><ref>{{cite web |title=Bloomberg - Are you a robot? |url=https://www.bloomberg.com/opinion/articles/2020-04-22/taiwan-offers-the-best-model-for-coronavirus-data-tracking |website=www.bloomberg.com |access-date=26 April 2021}}</ref> || {{w|Taiwan}}
 +
|-
 +
| 2020 || November 9 || {{w|Mobile app}} launch || MI COVID Alert launches in Michigan. The app is designed to notify users if they have potentially been in close contact with infected people.<ref>{{cite web |title=COVID-19 Alert App notifies users if they have been in close contact with infected people |url=https://wwmt.com/news/local/COVID-19-alert-app-notifies-users-if-they-have-been-in-close-contact-with-infected-people |website=wwmt.com |access-date=17 January 2021}}</ref> || {{w|United States}} ({{w|Michigan}})
 +
|-
 +
| 2020 || November 25 || {{w|Mobile app}} launch || The Russian government launches Gosuslugi, a smartphone app that alerts users of possible exposure to COVID-19. The app scans the user’s surroundings in a 10-meter radius and measures how close and for how long they interact with other users. Infected users are expected to voluntarily notify the app, which then sends alerts to all others who were in close proximity to them.<ref>{{cite web |title=Russian government launches Covid contact-tracing app |url=https://www.ewdn.com/2020/11/25/russian-government-launches-covid-contact-tracing-app/ |website=ewdn.com |access-date=3 February 2021}}</ref><ref name="pscoro">{{cite web |last1=Times |first1=The Moscow |title=Russia Develops Coronavirus Contact-Tracing App |url=https://www.themoscowtimes.com/2020/11/17/russia-develops-coronavirus-contact-tracing-app-a72068 |website=The Moscow Times |access-date=20 January 2021 |language=en |date=17 November 2020}}</ref> || {{w| Russia}}
 +
|-
 +
| 2020 || November || Performance || It is reported that in {{w|England}}, tracers fail to get in touch with one in eight people who test positive for COVID-19, and 18% of those who are reached provide no details for close contacts.<ref name="Why many"/> || {{w|United Kingdom}} ({{w|England}})
 +
|-
 +
| 2020 || November || Performance || It is reported that in some regions of the United States, more than half of people who test positive provide no details of contacts when asked.<ref name="Why many"/> || {{w|United States}}
 +
|-
 +
| 2020 || December 3 || Partnership || {{w|Delta Airlines}} partners with the {{w|Centers for Disease Control and Prevention}} for international traveler contact tracing. The partnership aims at keeping international customers informed of potential {{w|COVID-19}} exposure.<ref>{{cite web |title=Delta partners with CDC for international traveler contact tracing |url=https://www.usatoday.com/story/travel/airline-news/2020/12/03/delta-air-line-launches-coronavirus-contact-tracing-cdc/3807358001/ |website=usatoday.com |access-date=4 December 2020}}</ref><ref>{{cite web |title=Delta Partners With CDC To Become First U.S. Airline To Launch Contact Tracing Program |url=https://www.baynews9.com/fl/tampa/news/2020/12/03/delta-air-lines-cdc-contact-tracing-coronavirus-covid |website=baynews9.com |access-date=4 December 2020}}</ref> || {{w|United States}}
 +
|-
 +
| 2020 || December 7 || {{w|Mobile app}} launch || CA Notify is launched in {{w|California}}, allowing users who test positive to anonymously inform those with whom they have been in close proximity that they may have been exposed. The app is designed to optimize privacy, it doesn’t use location data or identify the people users come into contact with.<ref>{{cite web |last1=Gardiner |first1=Dustin |title=California launches app to alert people whose contacts test positive for coronavirus |url=https://www.sfchronicle.com/politics/article/California-launches-app-to-alert-people-whose-15781904.php |website=San Francisco Chronicle |access-date=3 February 2021 |date=8 December 2020}}</ref><ref>{{cite web |last1=Sandler |first1=Rachel |title=California Launches COVID-19 Contact Tracing App From Apple, Google |url=https://www.forbes.com/sites/rachelsandler/2020/12/07/california-launches-COVID-19-contact-tracing-app-from-apple-google/?sh=4d3f9354167a |website=Forbes |access-date=11 March 2021 |language=en}}</ref><ref>{{cite web |title=California launches app to alert people whose contacts test positive |url=https://www.msn.com/en-us/money/other/california-launches-app-to-alert-people-whose-contacts-test-positive-for-coronavirus/ar-BB1bI2RT |website=www.msn.com |access-date=11 March 2021}}</ref><ref>{{cite web |title=California Unveils Mobile App to Notify Users of Possible Coronavirus Exposure |url=https://www.nbcbayarea.com/news/coronavirus/california-unveils-smartphone-tool-to-trace-virus-cases/2416711/ |website=NBC Bay Area |access-date=11 March 2021}}</ref> || {{w|California}}
 +
|-
 +
| 2020 || December 21 || {{w|Mobile app}} launch || Smittestopp launches in Norway, replacing a version of the app that was suspended earlier in the year due to scrutiny from the local {{w|Norwegian Data Protection Authority}}.<ref>{{cite web |title=NIPH starts work on a new solution for digital contact tracing |url=https://www.fhi.no/en/news/2020/niph-starts-work-on-a-new-solution-for-digital-contact-tracing/ |website=Norwegian Institute of Public Health |access-date=11 March 2021 |language=en}}</ref><ref>{{cite web |title=Uden konkurrence: Netcompany vinder ordren på en ny norsk smittestop-app |url=https://www.computerworld.dk/art/253847/uden-konkurrence-netcompany-vinder-ordren-paa-en-ny-norsk-smittestop-app |website=Computerworld |access-date=11 March 2021 |language=da |date=21 October 2020}}</ref> Within two days, the new infection control app is downloaded 158,700 times, with already 41 people reporting that they are infected.<ref>{{cite web |last1=Capar |first1=Robin-Ivan |title=Around 160,000 Norwegians downloaded the new Smittestopp corona app |url=https://norwaytoday.info/news/around-160000-norwegians-downloaded-the-new-smittestopp-corona-app/ |website=Norway Today |access-date=5 March 2021 |date=25 December 2020}}</ref> || {{w|Norway}}
 +
|-
 +
| 2020 || December 23 || Public opinion || An article on privacy and surveillance in the COVID-19 Pandemic reports that U.S. citizens continue to be deeply skeptical of contact tracing technology and hesitant to adopt other preventive measures.<ref>{{cite web |title=Study: Americans skeptical of COVID-19 contact tracing apps |url=https://news.cornell.edu/stories/2021/01/study-americans-skeptical-COVID-19-contact-tracing-apps |website=Cornell Chronicle |access-date=3 February 2021 |language=en}}</ref> || {{w|United States}}
 +
|-
 +
| 2021 || January 21 || Performance || Research conducted in Germany shows that contact tracing app Corona Warn-App is underused by those who have heightened risk of exposure to COVID-19.<ref>{{cite web |title=How effective is Germany’s COVID-19 contact tracing app? |url=https://www.hertie-school.org/en/news/detail/content/how-effective-is-germanys-COVID-19-contact-tracing-app |website=Hertie School |access-date=14 April 2021 |language=en}}</ref> || {{w|Germany}}
 +
|-
 +
| 2021 || January 28 || {{w|Digital privacy}} || The Public Health Emergency Privacy Act is introduced in the {{w|United States}} as a legislation meant to tackle the privacy and security issues tied to technologies used for the COVID-19 response, including contact tracing apps.<ref>{{cite web |title=Proposed Public Health Emergency Bill Targets COVID-19 Tech Privacy |url=https://healthitsecurity.com/news/proposed-public-health-emergency-bill-targets-COVID-19-tech-privacy |website=HealthITSecurity |access-date=3 February 2021 |date=2 February 2021}}</ref> || {{w|United States}}
 +
|-
 +
| 2021 || February 9 || Performance || A {{w|National Health Service}} evaluation on COVID-19 app, which was launched in {{w|England}} and {{w|Wales}}, finds that the app sent out 4.4 exposure notifications for every user who tested positive for SARS-CoV-2 and agreed to the app notifying their contacts. This is more than twice the average of 1.8 contacts notified through manual contact tracing.<ref>{{cite web |last1=Lewis |first1=Dyani |title=Contact-tracing apps help reduce COVID infections, data suggest |url=https://www.nature.com/articles/d41586-021-00451-y |website=Nature |access-date=3 June 2021 |pages=18–19 |language=en |doi=10.1038/d41586-021-00451-y |date=2021-02-22}}</ref> || {{w|United Kingdom}} ({{w|England}} and {{w|Wales}})
 +
|-
 +
| 2021 || March 5 || Public opinion || Cross-national online survey on public opinion towards COVID-19 contact tracing apps is conducted in {{w|China}}, revealing that approval rates in the country exceed those in western countries by a significant margin.<ref name="COVID-19 contv"/> || {{w|China}}
 +
|-
 +
| 2021 || March 10 || Education || {{w|Novosibirsk State University}} partners with {{w|Johns Hopkins University}} and launches Russian version of Coursera COVID-19 Contact Tracing Course by JHU.<ref>{{cite web |title=Novosibirsk State University - NSU Launches Russian Version of Johns Hopkins University Coursera COVID-19 Contact Tracing Course |url=https://english.nsu.ru/news-events/news/research/nsu-launches-russian-version-of-johns-hopkins-university-coursera-COVID-19-contact-tracing-course-/ |website=english.nsu.ru |access-date=30 June 2021 |language=en}}</ref> || {{w|Russia}}
 +
|-
 +
| 2021 || March || Performance || Global media recognizes Vietnam’s response to COVID-19, highlighting three levels of contact tracing for any positive case which have been detected within the country. This, combined with other containment measures, such as targeted testing, and isolation of suspected COVID-19 cases, are recognized for having helped keep recorded infections and death rates notably low on a per capita basis.<ref name="sdwrr"/><ref>{{cite web |last1=Dabla-Norris |first1=Era |last2=Asia |first2=Yuanyan Sophia Zhang IMF |last3=Department |first3=Pacific |title=Vietnam: Successfully Navigating the Pandemic |url=https://www.imf.org/en/News/Articles/2021/03/09/na031021-vietnam-successfully-navigating-the-pandemic |website=IMF |language=en}}</ref> || {{w|Vietnam}}
 +
|-
 +
| 2021 || April 19 || Performance || COVID-19 response in South Korea is considered to be successful at this point, as a result of effective implementation of comprehensive testing and contact tracing. The country is recognized for having implemented an elaborate contact tracing program.<ref>{{cite web |last1=Scott |first1=Dylan |title=South Korea’s COVID-19 success story started with failure |url=https://www.vox.com/22380161/south-korea-COVID-19-coronavirus-pandemic-contact-tracing-testing |website=Vox |access-date=1 June 2021 |language=en |date=2021-04-19}}</ref> || {{w|South Korea}}
 +
|-
 +
| 2021 || May 23 || Userbase || 209 days after launch, French app TousAntiCovid has been downloaded by 16.5 million people, or 24.6% of the French population, surpassing what is considered to be the minimum level it needed to work efficiently.<ref>{{cite web |last1=Staff |first1=Reuters |title=French COVID tracing app downloaded by 25% of the population - minister |url=https://www.reuters.com/article/health-coronavirus-france-apps-idUSL2N2NA040 |website=Reuters |access-date=15 June 2021 |language=en |date=2021-05-23}}</ref> || {{w|France}}
 +
|-
 +
| 2021 || May 25 || Performance || {{w|California}} state and local health leaders say that over the past year contact tracing was moderately successful, but acknowledge that trouble with remote training, changing protocols and understaffing during surges of the disease hobbled the program.<ref>{{cite web |last1=Wright |first1=Sarah |title=Contact tracing program brought mixed results |url=https://www.hmbreview.com/news/contact-tracing-program-brought-mixed-results/article_cb76f5c0-bda7-11eb-a74d-ff0e40dcca3c.html |website=Half Moon Bay Review |access-date=3 June 2021 |language=en}}</ref> || {{w|United States}} ({{w|California}})
 +
|-
 +
| 2021 || June 3 || Performance || Study published in ''{{w|JAMA Network Open}}'' reports hat contact tracing in the United States was largely ineffective in slowing COVID-19 virus transmission and improving population health, mostly due to insufficient interview responses.<ref>{{cite journal |last1=Lash |first1=R. Ryan |last2=Moonan |first2=Patrick K. |last3=Byers |first3=Brittany L. |last4=Bonacci |first4=Robert A. |last5=Bonner |first5=Kimberly E. |last6=Donahue |first6=Matthew |last7=Donovan |first7=Catherine V. |last8=Grome |first8=Heather N. |last9=Janssen |first9=Julia M. |last10=Magleby |first10=Reed |last11=McLaughlin |first11=Heather P. |last12=Miller |first12=James S. |last13=Pratt |first13=Caroline Q. |last14=Steinberg |first14=Jonathan |last15=Varela |first15=Kate |last16=Anschuetz |first16=Greta L. |last17=Cieslak |first17=Paul R. |last18=Fialkowski |first18=Veronica |last19=Fleischauer |first19=Aaron T. |last20=Goddard |first20=Clay |last21=Johnson |first21=Sara Jo |last22=Morris |first22=Michelle |last23=Moses |first23=Jill |last24=Newman |first24=Allison |last25=Prinzing |first25=Lauren |last26=Sulka |first26=Alana C. |last27=Va |first27=Puthiery |last28=Willis |first28=Matthew |last29=Oeltmann |first29=John E. |last30=Clayton |first30=Joshua  L. |last31=Forbes |first31=Heather  Bailey |last32=DeLuca |first32=Nick |last33=Haddad |first33=Maryam |last34=Harris |first34=Gibbie |last35=Hayes |first35=Susan |last36=Hendrickson |first36=Blake |last37=Honein |first37=Margaret  A. |last38=Hogben |first38=Matthew |last39=Jones |first39=Amanda |last40=Knott |first40=Catherine J. |last41=Leman |first41=Richard  L. |last42=McCurdy |first42=Stephen  A. |last43=McGrath |first43=Alana |last44=Moore |first44=Zack  S. |last45=Ortbahn |first45=Dustin |last46=Paritala |first46=Sai |last47=Pevzner |first47=Eric  S. |last48=Pierce |first48=Rebecca  A. |last49=Raghunathan |first49=Pratima  L. |last50=Rains |first50=Catherine |last51=Rose |first51=Dale  A. |last52=Safranek |first52=Tom |last53=Sathya |first53=Bhavani |last54=Tan |first54=Christina G. |last55=Taylor |first55=Melanie |last56=Thorpe |first56=Phoebe  G. |last57=Walke |first57=Henry |last58=Weisbeck |first58=Andee |title=COVID-19 Case Investigation and Contact Tracing in the US, 2020 |journal=JAMA Network Open |date=2021-06-03 |volume=4 |issue=6 |pages=e2115850 |doi=10.1001/jamanetworkopen.2021.15850}}</ref><ref>{{cite web |title=COVID-19 Contact Tracing Had Little Impact on Population Health |url=https://healthitanalytics.com/news/COVID-19-contact-tracing-had-little-impact-on-population-health |website=HealthITAnalytics |access-date=29 June 2021 |date=2021-06-08}}</ref> || {{w|United States}}
 +
|-
 +
| 2021 || June 29 || Tool launch || The {{w|European Centre for Disease Prevention and Control}} (ECDC) and the {{w|World Health Organization}} launch a tool to evaluate effectiveness of contact tracing. The tool consists in an indicator framework, aimed to provide countries with a standardized approach for evaluating their use of digital proximity tracing solutions.<ref>{{cite web |title=EU, WHO launch new tool to evaluate effectiveness of contact tracing |url=https://www.business-standard.com/article/current-affairs/eu-who-launch-new-tool-to-evaluate-effectiveness-of-contact-tracing-121062900441_1.html |website=Business Standard India |access-date=29 June 2021 |date=2021-06-29}}</ref> ||  
 
|-
 
|-
 
|}
 
|}
 
== Other software ==
 
 
* {{w|Coronavirus Australia}}
 
* {{w|COVID Symptom Study}}
 
  
 
==Meta information on the timeline==
 
==Meta information on the timeline==
Line 239: Line 354:
 
===How the timeline was built===
 
===How the timeline was built===
  
The initial version of the timeline was written by [[User:FIXME|FIXME]].
+
The initial version of the timeline was written by [[User:Sebastian]].
  
 
{{funding info}} is available.
 
{{funding info}} is available.
Line 250: Line 365:
  
 
===What the timeline is still missing===
 
===What the timeline is still missing===
 
* [https://ec.europa.eu/info/live-work-travel-eu/coronavirus-response/travel-during-coronavirus-pandemic/mobile-contact-tracing-apps-eu-member-states_en]
 
* [https://www.healthcareitnews.com/news/emea/france-launches-new-contact-tracing-app-tousanticovid]
 
* [https://nextsense.com/ns-newsarticle-virusradar-a-mobile-contact-tracing-implemented.nspx]
 
* [https://deputyprimeminister.gov.mt/en/cpsu/Documents/News/COVID%20Alert%20Malta_18Sep20.pdf]
 
  
 
===Timeline update strategy===
 
===Timeline update strategy===
  
 
==See also==
 
==See also==
 +
 +
* [[Timeline of contact tracing]]
 +
* [[Timeline of health software]]
 +
* [[Timeline of infection control]]
  
 
==External links==
 
==External links==

Latest revision as of 20:17, 2 July 2021

This is a timeline of contact tracing in the COVID-19 pandemic, mainly focusing on smartphone application software launches.

Sample questions

The following are some interesting questions that can be answered by reading this timeline:

  • What are some important events during the COVID-19 pandemic described on the timeline as a context?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Background".
  • What are some of the numerous contact tracing applications for mobile phone being launched during the pandemic?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Mobile app launch"
    • You will mostly see applications launched by official entities.
  • What are some userbase figures illustrating penetration of contact tracing apps among the public?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Userbase".
  • What are some illustrative educational efforts launched during the pandemic with the purpose to train people on contact tracing?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Education".
    • You will see a number of courses, illustrating the trend followed by multiple universities.
  • What are some of the several protocols launched to facilitate digital contact tracing during the pandemic?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Protocol introduction".
    • You will see a number of releases, including Exposure notification by Google and Apple Inc.
  • What are some of the numerous notable cases involving contact tracing and the issue of digital privacy?
    • Sort the full timeline by "Event type" and look for the group of rows with value "digital privacy".
    • You will see a number of events describing cases of digital privacy violation, most often by official entities.
  • What are some examples of performance of contact tracing programs conducted by national governments?
    • Sort the full timeline by "Event type" and look for the group of rows with value "Performance".
    • You will see some successful cases of contact tracing programs (mostly countries in East Asia) as well as some failing to reach expected results (e.g. United States).
  • Other events are described under the following types: "Database launch", "Manual contact tracing", "Notable case", "Organization", "Partnership", "Program shutdown", "Protocol integration", and "Tool launch".

Big picture

Time period Development summary
December 2019 – January 30, 2020 Initial period starting with the COVID-19 outbreak in Wuhan. Interest in contact tracing begins already in late 2019.
January 30, 2020 – December 2020 Period starting with the World Health Organization declaring COVID-19 a Public Health Emergency of International Concern. Right away, contact tracing for COVID-19 cases starts beig mandated in countries all over the world. Digital contact tracing via smartphone apps is established as a new public-health intervention.
December 2020 onwards Period starting with the rollout of several vaccines in developed countries. By 2021, contact tracing is found to be effective in some countries like South Korea, Vietnam, Japan and Taiwan[1], but not very effective in many countries, often in the West.[2]

Visual data

Google Trends

The comparative chart below shows Google Trends data for Contact tracing (Topic) and Contact tracing (Search term), from January 2004 to March 2021, when the screenshot was taken. Interest is also ranked by country and displayed on world map.[3]

Contact tracing gt.png

Google Ngram Viewer

The chart below shows Google Ngram Viewer data for Contact tracing, from 1900 to 2019.[4]

Contact tracing ngram.png


Wikipedia Views

The chart below shows pageviews of the English Wikipedia article Contact tracing on desktop, mobile-web, desktop-spider, mobile-web-spider and mobile app, from July 2015; to December 2020. An explosive growth of interest can be seen during the COVID-19 pandemic.[5]

Contact tracing wv.jpeg

Full timeline

Year Month and date (approximately) Event type Details Location
2019 December Background Contact tracing and medical surveillance begins in Wuhan, after a number of "pneumonia cases" related to a local seafood market is reported.[6] China
2020 January 23 Background The Government of China imposes a lockdown in Wuhan and other cities in Hubei in an effort to quarantine the center of the outbreak of COVID-19.[7] China
2020 January 23 Background The first COVID-19 case in Vietnam is diagnosed.[8] Very early, realizing that an effective tracing system is the most critical component of the pandemic response, this country would immediately develop and implement a thorough, accurate and centralized contact tracing system consisting in three levels, with all of those affected people being tested immediately.[9][10] Vietnam
2020 January 30 Background The World Health Organization declares the COVID-19 outbreak a Public Health Emergency of International Concern.[11][12]
2020 February 3 Mobile app launch Lithuanian based company Bitsens launches a coronavirus app, even when the virus has not reached Lithuania yet.[13] Lithuania
2020 February 11 Mobile app launch China becomes the first country to try a contact tracing app as a means of curbing the spread of COVID-19, after the Chinese Government launches coronavirus close contact detector app “health code” nationwide, as a means of controlling people’s movements. The app, developed by Alibaba Group and Tencent, allows users to access through Alipay or WeChat and input their phone number, full name and ID number.[14][15] China
2020 February Organization PathCheck is founded at MIT as a volunteer-led non profit organization[16][17] that develops COVID-19 apps for digital contact tracing.[18] Their original technology is based on the MIT Private Kit.[19][20] United States
2020 February Policy Egypt mandates contact tracing for all COVID-19 cases.[21] Egypt
2020 February Policy Nigeria mandates contact tracing for all COVID-19 cases.[21] Nigeria
2020 February Policy Saudi Arabia mandates contact tracing for all COVID-19 cases.[21] Saudi Arabia
2020 March 9 Digital privacy Google removes Iran's official COVID-19 detection app from Play Store after several users accuse the Iranian government of using the app to collect phone numbers and real-time geo-location data.[22][23] Iran
2020 March 9 Mobile app launch The Colombian president announces the launch of an application for mobile devices that would help centralize information related to the spread, prevention and treatment of COVID-19 in the country.[24] Colombia
2020 March 11 Background The World Health Organization declares COVID-19 a pandemic.[25]
2020 March 12 Program shutdown Public Health England stops performing a contact tracing program, as widespread infections overwhelm capacity of contact tracers, and with the program being able to handle up to 50 people per week.[26][27] United Kingdom (England)
2020 March Policy Russia mandates contact tracing for all COVID-19 cases.[21] Russia
2020 March Policy South Africa mandates contact tracing for all COVID-19 cases.[21] South Africa
2020 March Policy Argentina mandates contact tracing for all COVID-19 cases.[21] Argentina
2020 March Policy Chile mandates contact tracing for all COVID-19 cases.[21] Chile
2020 March 17 Protocol introduction The Temporary Contact Numbers Protocol (TCN Protocol) is introduced.[28]
2020 March 20 Mobile app launch Singapore launches TraceTogether, an application aimed at working by exchanging short distance Bluetooth signals between phones to detect other participating users in close proximity of 2 meters. After giving consent during the set-up of the app, users need to turn on their Bluetooth, as well as enable push notifications and location permissions. The app is developed by Singapore’s Government Technology Agency (GovTech) and the health ministry.[29][30] Singapore
2020 March 20 Mobile app launch Taiwan rolls out a mobile phone-based “electronic fence” that uses location-tracking to ensure people who are quarantined stay in their homes. The system monitors phone signals to alert local officials if those in home quarantine move away from their address or turn off their phones.[31] Taiwan
2020 March 20 Mobile app launch Sri Lanka launches MyHealth Mobile App, which requires users to record their location at the time of using the application. The app is programmed to disclose the stores location history information with the authorities to protect other users in case a user is infected.[32] Sri Lanka
2020 March 20 Literature Retrace Publishing releases Contact Tracing Logbook: Keep Track of Personal Interactions During Epidemic or Pandemic.[33]
2020 March 24 Protocol introduction BlueTrace is introduced as an open-source application protocol that facilitates digital contact tracing of users.[34]
2020 March 25 Mobile app launch Stopp Corona is launched in Austria by the Austrian Red Cross, in cooperation with other organizations. The app is aimed at tracing contacts for preventing the spread COVID-19 infections.[25][35][36] Austria
2020 April 1 Protocol introduction The Pan-European Privacy-Preserving Proximity Tracing protocol is introduced to facilitate digital contact tracing of infected participants.[37][38][39][40]
2020 April 2 Mobile app launch The Government of India launches Aarogya Setu, an app aimed at enabling people to assess themselves the risk of their catching COVID-19 infection. It is available in 11 languages.[41] India
2020 April 3 Mobile app launch The Government of Peru announces launch of app that would allow users share their location in the event that they have tested positive for COVID-19.[42] Peru
2020 April 4 Protocol introduction The Decentralized Privacy-Preserving Proximity Tracing is introduced as an open protocol developed in response to the COVID-19 pandemic to facilitate digital contact tracing of infected participants.[43][44]
2020 April 8 Mobile app launch Egypt launches a mobile application aimed at tracking both new COVID-19 cases and those in contact with patients.[45][46] Egypt
2020 April 9 Mobile app launch The Afghan Ministry of Public Health and Ministry of Telecommunications launches COVID-19 tracing app corona.asan.gov.af, which provides health advice in English, Dari, and Pashto.[47][48][49] Afghanistan
2020 April 10 Technology introduction Google and Apple announce a joint effort to enable the use of Bluetooth technology to help governments and health agencies conduct contact tracing to reduce the spread of COVID-19, with user privacy and security core to the design.[50]
2020 April 11 Technology introduction Wristbands are launched in South Korea for those breaking quarantine, after it is found that people were leaving their phones at home to trick government tracking apps.[51] South Korea
2020 April 14 Mobile app launch COVID-19 contact tracing app Corowarner is launched in Turkey, programmed to alert users instantly and anonymously if they had close contact with an individual in a market, pharmacy or bus who tested positive for the virus.[52] Turkey
2020 April Policy Turkey mandates contact tracing for all COVID-19 cases.[21] Turkey
2020 April Policy Thailand mandates contact tracing for all COVID-19 cases.[21] Thailand
2020 April 16 Mobile app launch IoT and connectivity network provider Nodle.io announces the launch of Coalition, a free contact tracing app that utilizes secure Bluetooth Low Energy (BLE) and cryptography to protect a user’s identity by generating random anonymous IDs.[53] United States
2020 April 16 Protocol introduction Nodle.io releases the Whisper Tracing Protocol white paper, which introduces a protocol intended to be a privacy first digital contact tracing tool for COVID-19.[54][55]
2020 April 17 Mobile app launch The Malaysian Communications and Multimedia Commission launches contact tracing app Gerak Malaysia, which is designed "to help the authorities in tracing and analyzing users’ movement nationwide to contain the spread of the pandemic".[56] Malaysia
2020 April 21 Digital privacy An Australian Government Services minister announces laws to be introduced in the country with the purpose to strenghten user privacy, as fears for the latter persist among citizens.[57] Australia
2020 April 24 Mobile app launch ProteGO launches in Poland, becoming one of EU’s first official COVID-19 tracking applications. This version requires users to enter their data themselves for the purposes of health self-monitoring.[58] Poland
2020 April 26 Mobile app launch The Australian government launches a coronavirus tracing app, which uses Bluetooth signals to log when people have been close to one another. The app is based on Singapore’s TraceTogether software.[59][60] Australia
2020 April 27 Mobile app launch Mobile application "Act at Home" is launched in Ukraine. It is designed to maintain contact with the person and control the observance of obligatory self-isolation during quarantine.[61] Ukraine
2020 April 27 Performance A study concludes that isolation and contact tracing helped control the spread of COVID-19 in Shenzhen, China.[62][63] China
2020 April Background By this time, about half of the world's population is under lockdown, with more than 3.9 billion people in more than 90 countries or territories having been asked or ordered to stay at home by their governments.[64] Worldwide
2020 May 1 Policy India’s home affairs ministry states that all private and public sector employees who go to their physical workplaces should download the Aarogya Setu contact tracing app.[65] India
2020 May 10 Notable case Zambian health minister Chitalu Chilufya praises sex workers in Zambia for helping to trace people who have contracted COVID-19 after a surge in new infections at the border town of Nakonde. Chilufya states "sex workers have been very co-operative and they are giving us all the leads we want."[66] Zambia
2020 May 11 Literature Martin Anderson publishes Contact Tracing : Tracking Clinician Resource.[67]
2020 May 12 Mobile app launch Salesforce launches coronavirus contact tracing platform for tracking exposure to COVID-19. It is available in Rhode Island, Massachusetts, Louisiana, California, and New York City.[68] United States
2020 May 14 Mobile app launch The Indian technology ministry launches contact-tracing app for JioPhones.[69] India
2020 May 14 Mobile app launch Thailand's Center for COVID-19 Situation Administration (CCSA) announces tracing application Thai Chana (Thai Victory), aimed at being introduced to business operators.[70] Thailand
2020 May Policy France mandates contact tracing for all COVID-19 cases.[21] France
2020 May 19 Mobile app launch The E7mi application is launched in Tunisia. The app identifies and alerts users if they have been in close contact with someone having reported infection.[71] Tunisia
2020 May 19 Mobile app launch The Ministry of Health of New Zealand releases the NZ COVID Tracer app, with the purpose to support contact tracing in the country. The software emphasizes privacy and data security, being programmed to store information in the user phone and delete it after 31 days.[72] NZ COVID Tracer[73] New Zealand
2020 May 19 Policy Taiwan enforces policy mandating all people entering public buildings to leave their contact information or to share their whereabouts via text message.[74] Taiwan
2020 May 20 Protocol introduction The Exposure Notification (GAEN) system, originally known as the Privacy-Preserving Contact Tracing Project,[75] is introduced as a framework and protocol specification developed by Apple Inc. and Google to facilitate digital contact tracing during the COVID-19 pandemic.[76][77][78][79] The application programming interface is released in at least 22 countries around the world and is aimed to be used by nations' health authorities to build their own apps.[80] Worldwide
2020 May 26 Digital privacy Amnesty International uncovers "serious security vulnerabilities" in Qatari mandatory contact tracing app EHTERAZ, which is found to lack privacy safeguards and allows sensitive personal information to be uploaded to a central database so the authorities can enable real-time location tracking of users at any time.[81] Qatar
2020 May 28 Organization NHS Test and Trace is formed in England as a government-funded service with the purpose to track and help prevent the spread of COVID-19. It is run by the National Institute for Health Protection.[82][83] United Kingdom (England)
2020 May 29 Education The University of Washington’s Northwest Center for Public Health Practice launches a free, online course to provide training for contact tracers.[84] United States
2020 May 28 Mobile app launch Latvia launches Apturi Covid, becoming the first country to launch a contact tracing app using the newly-available exposure notification APIs by Apple and Google. The voluntary, decentralized, and fully GDPR-compliant app uses Bluetooth technology to identify other nearby devices that also have the app installed. The app notifies users if they have been in the proximity of 2 meters to an individual for more than 15 minutes who has tested positive for COVID-19. [85][86] Latvia
2020 May Digital privacy British company Serco accidentally shares the personal email addresses of nearly 300 trainee COVID-19 contact tracers. The company hires, trains and operates about 15,000 contact tracers who do not have clinical training.[87] United Kingdom
2020 June 1 Mobile app launch Immuni is launched in Italy as the official COVID-19 contact-tracing app, built on the framework developed by Apple and Google to track infections.[88][89][90] Italy
2020 June 5 Mobile app launch The Moroccan Ministry of Health announces launch of 'WIQAYTNA' an app for COVID-19 contact tracing based on bluetooth technology, and aimed to notify users in case they come into prolonged contact with an individual who has tested positive.[91] Morocco
2020 June 4 Database launch The Argentine Government creates a COVID-19 database with the purpose to process the data generated through the official contact tracing app, facilitating greater state control of the pandemic.[92] Argentina
2020 June 4 Publication The World Health Organization publishes its Digital tools for COVID-19 contact tracing.[93]
2020 June 4 Mobile app launch COVID-19 contact tracing app Corona Tracer BD is launched in Bangladesh.[94] Bangladesh
2020 June 5 Mobile app launch The Nigerian National Petroleum Corporation reveals having developed a COVID-19 contact-tracing application to be deployed in all its locations across the Nigeria.[95] Nigeria
2020 June 8 Mobile app launch COVID-19 app DiagnoseMe is launched by engineers from Burkina Faso.[96] Burkina Faso
2020 June 9 Mobile app launch Poland releases a new version of the COVID-19 contact tracing app ProteGO Safe, now adapted to address concerns about privacy. Previously, the official contact-tracing app released by the government spurred debate on privacy and surveillance during the pandemic, with critics seeing ample opportunity for abuse.[97][98][99] Poland
2020 June 10 Digital privacy A French ethical hacker claims Pakistan's COVID-19 contact tracing app COVID-19 Gov PK reveals patients' locations, and emphasizes that the software is not a contact tracing app, adding that it "gives access to dashboards for each province and state, you can do a self-assessment, get radius alert, get a popup notification reminding the user of their personal hygiene". The government denies claims.[100][101] Pakistan
2020 June 14 Mobile app launch The Saudi Authority for Data and Artificial Intelligence (SDAIA) launches Tabaud, a contact-tracing app aimed to track COVID-19. Saudi Arabia becomes one of the latest countries to use the Apple-Google Exposure Notification System. Users can share their information and then contact those having come into contact with. If a user tests positive, a notification would be sent to users who came into close contact with the infected user during the last 14 days.[102][103] Saudi Arabia
2020 June 15 Digital privacy The Norwegian government decides to stop using its COVID-19 contact tracing app after controversial case concerning privacy, and hours before Amnesty International released an analysis criticizing the app.[104] Norway
2020 June 15 Mobile app launch The Uruguyan Government launches CoronavirusUY, which uses Exposure Notification system.[105][106][107] Uruguay
2020 June 16 Mobile app launch The Robert Koch Institute in Germany launches the Corona-Warn-App, which is designed to speedily track down new clusters of coronavirus infection as the country's lockdown is relaxed.[108][109][36] The app is launched after a long-drawn discussion about data privacy issues and the related design of the app. The download is voluntary, and information exchange takes place locally on people’s phones without collecting information on a central server about personal identities or locations.[15][110] Germany
2020 June Policy Germany mandates contact tracing for all COVID-19 cases.[21] Germany
2020 June 16 Digital privacy An investigation by Amnesty International reveals that Bahrain’s ‘BeAware Bahrain’, Kuwait’s ‘Shlonik’ and Norway’s ‘Smittestopp’ apps stand out among the most dangerous contact tracing apps regarding privacy, "with all three actively carrying out live or near-live tracking of users’ locations by frequently uploading GPS coordinates to a central server".[111] Bahrain, Kuwait, Norway
2020 June 17 Userbase Germany’s Corona-Warn-App is downloaded 6.5 million times in the first 24 hours since its launch.[112] Germany
2020 June 18 Mobile app launch Toronto and New York City–based Micron Digital Corp develops BIOS (Biokinetic Interactivity Observation System), a mobile phone application aimed at tracing contacts with potential positive cases anonymously.[113] United States,Canada
2020 June 18 Mobile app launch The Danish government launches COVID-19 infection tracing app Smittestop, which notifies citizens who have been in close proximity to a person infected with COVID-19.[114][115] Denmark
2020 June 18 Manual contact tracing A survey shows that the national coronavirus contact tracing workforce in the United States reached 37,110 workers, tripling 11,142 workers counted six weeks before.[116] United States
2020 June 19 Mobile app launch Japan launches the COVID-19 Contact-Confirming Application (COCOA), which allows users to know whether or not they had contact with infected persons. It is developed by Microsoft.[117][118][119] Japan
2020 June 25 Mobile app launch Switzerland launches COVID-19 contact tracing app SwissCovid, which uses exposure notification.[120][121] Switzerland
2020 June 29 Mobile app launch Spain launches first phase of Radar COVID, which uses Exposure Notification system.[122][122][123] Spain
2020 July 7 Mobile app launch The Irish Government releases digital contact tracing app COVID Tracker Ireland, which uses exposure notification by Google and Apple Inc.[124] Ireland
2020 July 13 Mobile app launch Kenya's Ministry of Health announces launch of web-based app to trace COVID-19 cases in the country.[125] Kenya
2020 July Program shutdown Most states in India abandon contact tracing, as COVID-19 cases surge in the country. States instead opt for doing mass testing. As a response, experts say one cannot be a replacement for the other.[126] India
2020 July Policy Canada mandates contact tracing for all cases of COVID-19 cases.[21] Canada
2020 July 21 Digital privacy Major security flaws are found in a South Korean quarantine app, exposing private details of people in quarantine. The flaws are also found to allow hackers to tamper with data to make it look as if users of the app were either violating quarantine orders or still in quarantine despite being somewhere else. After acknowledgement by South Korean officials, the defects are eventually fixed.[127] South Korea
2020 July 21 Education Florida–based Ultimate Medical Academy launches a new online, non-credit, six-module interactive course which can be completed in only a few hours, covering topics like epidemiology, public health and the day-to-day tasks of contact tracers.[128] United States
2020 July 21 Performance An article by Christie Aschwanden on scientificamerican.com reports on contact tracing in the United States being severely underused, and states that, despite tracing’s success in other countries, the U.S. government has failed to adequately fund or apply the tool.[129] United States
2020 July 23 Education California–based Bakersfield College announces launch of a week-long Infectious Disease Contact Tracing Course, as a response of need for more contact tracers.[130][131] United States
2020 July 27 Mobile app launch Croatia launches contact tracing app STOP COVID-19, a voluntary, cyber-secured application, using only temporary and anonymous data. It does not use geolocation tracking, and there is no collection of user’s data, with the app success expected to be based on "conscientious and solidary participation of citizens”.[132] Croatia
2020 July 30 Mobile app launch StopCOVID NI launches in Northern Ireland, which becomes the first region in the United Kingdom to launch a COVID-19 tracker app.[133][134] United Kingdom (Northern Ireland)
2020 July 31 Mobile app launch COVID-19 tracking app COVID Alert is launched in Canada by the federal government. Code from Shopify was used and app security was built with assistance of Blackberry Inc. The technology is developed with Apple Inc and Google.[135][136][137][138] Canada
2020 July 31 Mobile app launch The Government of Brazil announces Coronavírus-SUS.[139] Brazil
2020 End of July Education More than half a million people are enrolled for a free online COVID-19 contact-tracing course offered by Johns Hopkins University.[140] United States
2020 August 5 Protocol integration Brazil integrates Apple-Google exposure notification tech into its federal government-backed COVID-19 smartphone app.[141] Brazil
2020 August 12 Userbase As of date, about 15.7 million smartphone users have downloaded Vietnamese locally-developed contact-tracing app Bluezone, designed to identify and alert people who have interacted with COVID-19 patients.[142] Vietnam
2020 August 12 Userbase The Indian government-promoted app Aarogya Setu reaches 150 million downloads, after four months of its commencement.[143] India
2020 August 13 Mobile app launch The government of Ecuador launches app that notifies users contact with COVID-19 cases.[144] Ecuador
2020 August 18 Mobile app launch The Slovenian Public Administration Minister launches contact tracing app OstaniZdrav (StayWell), for Android users.[145] Slovenia
2020 August 20 Mobile app launch Estonia launches free COVID-19 exposure notification app Hoia, which is optional and not mandatory, and has the purpose to inform close contacts of those infected, and to provide them with initial instructions on how to proceed.[146][147] Estonia
2020 August 27 Userbase By this time, more than 300,000 users have downloaded Northern Ireland's contact-tracing app StopCovid NI, covering over 15% of the region's residents.[148] United Kingdom (Northern Ireland)
2020 August 31 Mobile app launch Finland launches smartphone app Koronavilkku, as part of the Government's test, trace, isolate and treat strategy.[149][150][151] In one day, Downloads of this app quickly reach 1 million, corresponding to nearly one fifth of Finland's population of 5.52 million.[152][153] Finland
2020 September 1 Mobile app launch South Africa launches COVID Alert SA, the government’s official Bluetooth contact-tracing app. It’s built on the Apple–Google Exposure Notifications application programmable interface (API).[154][155] South Africa
2020 September 1 Mobile app launch StayAway Covid is launched in Portugal, for iOS and Android.[156] Portugal
2020 September 3 Mobile app launch The Government of Philippines launches StaySafe.ph, a contact tracing application aimed to trace COVID-19 close contacts and warn the public on “nearby danger”.[157] Philippines
2020 September 3 Mobile app launch COVID Alert is launched in South Africa. The app uses Exposure Notification system created by Apple and Google, and Bluetooth technology to notify users if they have been in contact with COVID-19.[158] South Africa
2020 September 4 Performance High numbers of COVID-19 cases and deaths in Brazil are partly attributable to limited contact tracing, along with other factors such as urban density, timing of the implementation and maintenance of social distancing policies, and limited testing capacity.[159] Brazil
2020 September 9 Mobile app launch Saw Saw Shar is developed by the Myanmar Computer Federation as the official contact-tracing app of Myanmar. The app provides symptom monitoring as well as timely notifications on nearby potential high-risk areas with positive cases.[160] Myanmar
2020 September 10 Mobile app launch Protect Scotland launches in Scotland as a COVID-19 contact-tracing application. The Scottish government says that the software supports the Test and Protect system and is "another tool in the fight against COVID-19".[161][162] United Kingdom (Scotland)
2020 September 10 Mobile app launch Guam Covid Alert is launched in Guam. This exposure notification app is developed by engineers with Apple, Google, and the PathCheck Foundation that uses Bluetooth technology for digital contact tracing.[163][164] Guam
2020 September 17 Mobile app launch eRouška (eMask) is launched in the Czech republic as a contact tracing app. It uses the Exposure Notification protocol.[165][166] Czech Republic
2020 September 24 Mobile app launch NHS COVID-19 app launches in England and Wales. It uses the Exposure Notification protocol.[167] United Kingdom (England, Wales)
2020 September 30 Mobile app launch Belgium rolls out contact tracing app Coronalert, available to download from the Belgium App Store and working in all three regions and different languages in the country.[168][169] Belgium
2020 September 30 Mobile app launch COVID Alert NY is launched in New York State. The app notifies users of potential COVID-19 exposure while maintaining user privacy and security. It is based on COVID Tracker Ireland.[170][171] United States (New York)
2020 September 30 Study A large contact tracing study in India shows that COVID-19 is transmitted mainly by "superspreaders", which consists in a small percentage of infected people.[172] India
2020 October 6 Education University of California San Francisco and Salesforce launch free contact tracing course on Salesforce’s online learning platform Trailhead. The course lasts approximately 3.5 hours and covers the science of the virus, its impact on public health, interview techniques and effective communication skills.[173] United States
2020 October 8 Mobile app launch Kazakhstan launches the Saqbol mobile app, a COVID-19 contact tracing app designed to control the spread of the infection and timely locate the virus’s hotspots. Infected users can anonymously inform others on their contacts in the last 14 days for 15 minutes and in a distance of 2 meters. According to the developers, the records of interaction between devices are encoded.[174] Kazakhstan
2020 October 10 Mobile app launch Dutch COVID-19 notification app CoronaMelder is launched. It is designed according to the privacy by design requirements.[175] Netherlands
2020 October 19 Userbase As of date, Ireland's COVID Tracker app has 2.1 million registrations since its launch, and has an active user base of 1.31 million. This represents 34 per cent of the adult population in the country.[176] Republic of Ireland
2020 October 26 Mobile app launch The French government launches TousAntiCovid, which uses a centralized system that sends the data from a phone to government systems to do the contact matching.[177] France
2020 October 31 Performance Taiwan's COVID-19 response is considered to be a success, cumulating over six months without a locally transmitted case. It is considered to be the only major country having so far been able to keep community transmission of COVID-19 eliminated. Its contact tracing deployment on average linked 20 to 30 contacts to each confirmed case. In extreme situations, the government tracked down as many as 150 contacts. All contacts would undergo a 14-day home quarantine, even if they test negative.[178][179] Taiwan
2020 November 9 Mobile app launch MI COVID Alert launches in Michigan. The app is designed to notify users if they have potentially been in close contact with infected people.[180] United States (Michigan)
2020 November 25 Mobile app launch The Russian government launches Gosuslugi, a smartphone app that alerts users of possible exposure to COVID-19. The app scans the user’s surroundings in a 10-meter radius and measures how close and for how long they interact with other users. Infected users are expected to voluntarily notify the app, which then sends alerts to all others who were in close proximity to them.[181][182] Russia
2020 November Performance It is reported that in England, tracers fail to get in touch with one in eight people who test positive for COVID-19, and 18% of those who are reached provide no details for close contacts.[2] United Kingdom (England)
2020 November Performance It is reported that in some regions of the United States, more than half of people who test positive provide no details of contacts when asked.[2] United States
2020 December 3 Partnership Delta Airlines partners with the Centers for Disease Control and Prevention for international traveler contact tracing. The partnership aims at keeping international customers informed of potential COVID-19 exposure.[183][184] United States
2020 December 7 Mobile app launch CA Notify is launched in California, allowing users who test positive to anonymously inform those with whom they have been in close proximity that they may have been exposed. The app is designed to optimize privacy, it doesn’t use location data or identify the people users come into contact with.[185][186][187][188] California
2020 December 21 Mobile app launch Smittestopp launches in Norway, replacing a version of the app that was suspended earlier in the year due to scrutiny from the local Norwegian Data Protection Authority.[189][190] Within two days, the new infection control app is downloaded 158,700 times, with already 41 people reporting that they are infected.[191] Norway
2020 December 23 Public opinion An article on privacy and surveillance in the COVID-19 Pandemic reports that U.S. citizens continue to be deeply skeptical of contact tracing technology and hesitant to adopt other preventive measures.[192] United States
2021 January 21 Performance Research conducted in Germany shows that contact tracing app Corona Warn-App is underused by those who have heightened risk of exposure to COVID-19.[193] Germany
2021 January 28 Digital privacy The Public Health Emergency Privacy Act is introduced in the United States as a legislation meant to tackle the privacy and security issues tied to technologies used for the COVID-19 response, including contact tracing apps.[194] United States
2021 February 9 Performance A National Health Service evaluation on COVID-19 app, which was launched in England and Wales, finds that the app sent out 4.4 exposure notifications for every user who tested positive for SARS-CoV-2 and agreed to the app notifying their contacts. This is more than twice the average of 1.8 contacts notified through manual contact tracing.[195] United Kingdom (England and Wales)
2021 March 5 Public opinion Cross-national online survey on public opinion towards COVID-19 contact tracing apps is conducted in China, revealing that approval rates in the country exceed those in western countries by a significant margin.[15] China
2021 March 10 Education Novosibirsk State University partners with Johns Hopkins University and launches Russian version of Coursera COVID-19 Contact Tracing Course by JHU.[196] Russia
2021 March Performance Global media recognizes Vietnam’s response to COVID-19, highlighting three levels of contact tracing for any positive case which have been detected within the country. This, combined with other containment measures, such as targeted testing, and isolation of suspected COVID-19 cases, are recognized for having helped keep recorded infections and death rates notably low on a per capita basis.[9][197] Vietnam
2021 April 19 Performance COVID-19 response in South Korea is considered to be successful at this point, as a result of effective implementation of comprehensive testing and contact tracing. The country is recognized for having implemented an elaborate contact tracing program.[198] South Korea
2021 May 23 Userbase 209 days after launch, French app TousAntiCovid has been downloaded by 16.5 million people, or 24.6% of the French population, surpassing what is considered to be the minimum level it needed to work efficiently.[199] France
2021 May 25 Performance California state and local health leaders say that over the past year contact tracing was moderately successful, but acknowledge that trouble with remote training, changing protocols and understaffing during surges of the disease hobbled the program.[200] United States (California)
2021 June 3 Performance Study published in JAMA Network Open reports hat contact tracing in the United States was largely ineffective in slowing COVID-19 virus transmission and improving population health, mostly due to insufficient interview responses.[201][202] United States
2021 June 29 Tool launch The European Centre for Disease Prevention and Control (ECDC) and the World Health Organization launch a tool to evaluate effectiveness of contact tracing. The tool consists in an indicator framework, aimed to provide countries with a standardized approach for evaluating their use of digital proximity tracing solutions.[203]

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References

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