Timeline of mosquito net distribution

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This is a timeline of bed net distribution, a strategy deployed widely to reduce the incidence of malaria in tropical countries.

Big picture

Period Key developments
Ancient times < Use of mosquito nets is documented in the Mediterranean world.[1] Evidence also indicates their use in Japan.[2]
19th century British colonists in India adopt sleeping under nets (likely inspired by the example of Punjabi fishermen).[3]
1940s Textiles and insecticides start to be combined, during World War II.[3]
1970s–1980s Contemporary with the decline of DDT-based indoor residual spraying, interest in insecticide-impregnated nets as a malaria control tool reemerges.[3][4]
1990s Insecticide treated nets (ITN) start to be used early in the decade.[5] By the mid-1990s, ITNs already become an important component of global and national malaria control policies.[6]
2000s Mosquito net distribution develops at a large scale. The number of ITNs delivered by manufacturers to malaria endemic countries in Sub-Saharan Africa increases from 6 million to 145 million between 2004 and 2010.[7] Between 2000 and 2011, the share of households owning at least one treated net in SSA is estimated to have risen from 3% to 50%.[8]

Visual Data

Mosquito net distribution in countries from African WHO region. Period 2013–2015.[9]
Mosquito net distribution in countries from African WHO region. Period 2013–2015. Table 2.[9]
Mosquito net distribution in countries from African WHO region. Period 2013–2015. Table 3.[9]
Mosquito net distribution in countries belonging to Americas, European and Eastern Mediterranean WHO regions. Period 2013–2015.
Mosquito net distribution in countries from South East Asia WHO region. Period 2013–2015.[9]
Mosquito net distribution in countries from Western Pacific WHO region. Period 2013–2015.[9]
Mosquito net distribution in countries belonging to African WHO region. Period 2013–2015. Cumulative.[9]
Mosquito net distribution in countries belonging to Americas, European and Eastern Mediterranean WHO regions. Period 2013–2015. Cumulative.[9]
Mosquito net distribution in countries belonging to South East Asia WHO region. Period 2013–2015. Cumulative.[9]
Mosquito net distribution in countries belonging to Western Pacific WHO region. Period 2013–2015.[9]

Full timeline

Year/period Type of event Event Location
484–?425 BC Antecedent Greek historian Herodotus describes how Egyptians living in marshy lowlands protect themselves with fishing nets.[3] Egypt
1603–1868 Antecedent By the early Edo period, mosquito nets are a standard summer item found in houses at all social levels in Japan.[2] Japan
1939–1945 Antecedent The Soviet army applies juniper oil to bednets to repel mosquitoes and sand flies bearing malaria and leishmaniasis during campaigns in Central Asia. Meanwhile, the American military impregnates bednets and jungle hammocks with 5 percent DDT to prevent malaria and filariasis during campaigns in the Pacific.[3] Asia, Western Pacific
1980 Development Proven to be an extremely effective option for people living in insects borne diseases prone areas, the concept of insecticide-treated net is developed to prevent the malaria outbreak in tropical weather countries.[10]
1983 Development A group of experts recommend the use of protective bed nets for preventing malaria, and that the efficacy of bednets impregnated with pyrethroid insecticides should be investigated.[11]
1986 Development Drug treated mosquito nets are first tested in Bangladesh in a number of areas in Sylhet and Chittagong divisions. The test becomes successful.[12] Bangladesh
1997 Program launch Kenya introduces the KEMRI/CDC Bed-net project, (executed in the Bondo District), aimed at the trial of insecticide treated bed nets (ITBNs) in the prevention of malaria. A randomized controlled trial (RCT) is started in Rarieda Division with a baseline work in 1996 followed by the issuing of insecticide treated bed-nets in 1997.[13] Kenya
1999 Coverage Bed net ownership covers 2.2% of the African at-risk population.[14]
1999 Coverage Bed net coverage reaches the 51% of the population in Solomon Islands.[15] Solomon Islands
2000 Coverage 24% of the population in Laos is estimated to sleep under a bed net.[15] Laos
2000 Coverage The percentage of households owning at least one ITN in Sub Saharan Africa is estimated at 3%.[7] Sub-Saharan Africa
2001 Program launch New national strategy for malaria control is developed by the Ministry of Health of Kenya, targeting increased coverage of insecticide treated mosquito nets.[16] Kenya
2001–2006 Policy The World Health Organization approves mosquito net "Olyset", classified as Long Lasting Insecticidal Net (LLIN). Its chemical coating remains active for a minimum of five years. Olyset was first conceived in 1978. By 2006, the net is mass produced as part of a WHO international anti-malaria campaign, focussing particularly in Africa.[17]
2003 Distribution Insecticide treated nets start to be distributed free-of-charge in Cameroon.[18] Cameroon
2004 Organization Against Malaria Foundation (AMF), a United Kingdom-based charity that provides long-lasting insecticidal nets (LLINs) to populations at high risk of malaria, is founded. The organization operates primarily in Africa.[19] United Kingdom (London)
2004–2006 Coverage A near ten-fold increase in the number of young children sleeping under insecticide-treated mosquito nets was observed in targeted districts in Kenya, resulting in 44% fewer deaths than among children not protected by nets, according to preliminary data from the Government.[16] Kenya
2005 Organization The African Summit on Roll Back Malaria is held in Abuja. The summit sets a target for expanding ITN use in Africa—at least 60% coverage of high-risk groups by the year 2005.[20] Nigeria
2005–2006 Distribution Over 2 million mosquito nets are distributed in Niger to combat malaria Distribution begins in 2005 in a campaign supported by an $11 million grant from the UN-backed Global Fund to Fight AIDS, Tuberculosis and Malaria, as well as by $2 million from the Canadian International Development Agency.[21] Niger
2006 Distribution Kenyan President Mwai Kibaki launches a two campaigns effort, funded by a US$ 17 million grant from the Global Fund to Fight AIDS, Tuberculosis and Malaria, to distribute 3.4 million long-lasting insecticidal nets free of charge to children in 45 of Kenya's 70 districts through.[16] Kenya
2006 Program launch Nothing But Nets is launched as a campaign to raise awareness and funding to fight malaria. It allows any individual to volunteer by giving $10 to send a net. Nothing But Nets works with partners like UNICEF, the UN Refugee Agency, and the World Health Organization.[22]
2007 Policy The World Health Organization starts recommending only use of long lasting insecticide-treated nets (LLINs) and not conventional insecticide treated nets (ITNs).[7]
2007 Distribution Over 1.8 million nets are distributed to thousands of children in Mali.[23] Mali
2007–2008 Distribution Mass campaigns to distribute treated mosquito nets begin in the Democratic Republic of Congo, in which 97% of the people are calculated to live in areas where malaria is endemic. Distribution is carried out mainly in the rural provinces of Bas-Congo and Sud-Kivu, followed by Equateur and urban Kinshasa. Before the first net distribution campaign, net coverage was reported at 19% in children and 20% in women. By 2010, a new survey showed corresponding figures of 38% and 43%, respectively.[24] Democratic Republic of Congo
2007–2010 Distribution 14.1 million treated bed nets are distributed in Nigeria, supported by the World Bank.[24] Nigeria
2008 Coverage Bed net ownership in Africa covers 32.8% of the at-risk population.[14] Africa
2008 Distribution Over 8.7 million nets are distributed in Tanzania under a $63 million program funded by a group of donors, including the Global Fund, DFID, Swiss Development Cooperation, and the World Bank.[25] Tanzania
2008–2010 Coverage 254 million insecticide treated nets (ITNs), most of them long lasting insecticide treated nets (LLINs), are distributed in Sub-Saharan Africa.[26] Sub-Saharan Africa
2009 Program launch Mozambique develops a novel bed net distribution model to increase coverage, based on assumptions about sleeping patterns.[27] Mozambique
2009 Distribution 1.3 million treated nets are distributed in India under World Bank-supported project.[24] India
2009–2012 Distribution 60 million ITNs are distributed outside Africa, with 10 countries accounting for 75% of the total (India 9.2 million, Indonesia 6.1 million, Myanmar 5.4 million, Bangladesh 4.7 million, Afghanistan 4.3 million, Cambodia 3.6 million, Papua New Guinea 3.2 million, Haiti 3.0 million and Philippines 3.0 million)"[7] India, Indonesia, Myanmar, Bangladesh, Afghanistan, Cambodia, Papua New Guinea, Haiti
2010 Distribution The World Bank finances of $30 million for malaria in Zambia, enabling 800,000 nets to be delivered in the country.[24] Zambia
2010–2011 Distribution Over 17 million nets are distributed in Tanzania. The total cost of the campaign is $96.4 million, financed primarily by the Global Fund for AIDS, Tuberculosis and Malaria. Distribution and logistics are handled by the manufacturer and NGOs. By 2011, Tanzania would reach over 80 percent ITN ownership.[25] Tanzania
2010–2011 Distribution Sierra Leone adopts the goal of universal coverage with long-lasting treated mosquito nets, starting a mass net distribution campaign by the National Malaria Control Programme. Approximately 3.2 million mosquito nets treated with insecticide are distributed to families across the country, meeting the target of one net for every two people in the country, as set by the Roll Back Malaria Partnership. By June 2011, according to survey, 87 percent of all households in Sierra Leone own at least one ITN.[8] Sierra Leone
2011 Coverage The percentage of households with any mosquito net in Mozambique reaches 57.0%, with the percentage of households with any insecticide-treated net at 51.4%, and percentage of insecticide-treated nets 50.2%.[28] Mozambique
2011 Distribution In an effort to reduce the significant morbidity and mortality burden of malaria, Cameroon and its health partners distribute over eight million free long-lasting insecticide treated nets (LLINs) in the country.[29] Cameroon
2012 Program launch Malawi implements a universal bed net campaign, during the course of ongoing clinical studies of malaria among pregnant women in the country.[30] Malawi
2012 Coverage The percentage of households owning at least one insecticide treated net in Sub-Saharan Africa is estimated at 56%, up from a 3% in 2000.[7] Sub-Saharan Africa
2012 Distribution A national bed net distribution is implemented in response to reports of high rates of malaria transmission after the 2010 earthquake in Haiti. The Global Fund (GF) sponsors a national distribution of LLINs outside of Port-au-Prince with the goal of two Olyset LLINs per household.[31] Haiti
2012–2014 Distribution 2,560,216 insecticide-treated nets (935,997 in antenatal visits and 1,624,419 in universal coverage campaigns) are distributed in 2012 throughout Mozambique by the National Malaria Control Program (NMCP). In 2013, 3,098,675 insecticide-treated nets are distributed (885,023 in antenatal visits and 2,213,652 in campaign). In 2014, 5,672,392 insecticide-treated nets are distributed (1,258,998 in antenatal visits and 4,413,404 in campaign)"[28] Mozambique
2013 Coverage In Sub-Saharan Africa, 44%of the population at risk is covered by insecticide treated nets, indicating that 90% of people use the nets available to them. At the same time, 278 million of the 840 million people at risk of malaria in the region live in households without even a single Itn.[32] Sub-Saharan Africa
2014 Distribution An estimated 214 million long-lasting insecticidal nets (LLINs) (a record number[32]) are delivered in Africa, bringing the total number of LLINs delivered to that region since 2012 to 427 million.[33] Africa
2015 Distribution UNICEF, one of the largest buyers of mosquito nets in the world, delivers 22.3 million long-lasting insecticidal nets (LLINs) in 30 different countries.[34]
2016 Distribution Against Malaria Foundation funds 10.7 million long-lasting insecticidal nets (LLINs) for distribution in Uganda’s upcoming universal coverage campaign (UCC), in an agreement with the Ministry of Health.[35] Uganda

See also

References

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