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Timeline of epidemiology

1 byte removed, 09:22, 1 August 2020
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! Time period !! Development summary
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| 17th century || The field of epidemiology emmergesemerges. The first feature of the century relevant to the emergence of the discipline is the availability of population data about causes of death, in particular deaths from plague.<ref name="Epidemiology’s 350th Anniversary, 1662–2012"/>
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| 19th century || John Snow, Ignaz Semmelweis, Louis Pasteur, Robert Koch, Florence Nightingale, and others make important contributions to the field of epidemiology during the century. In the mid 1800s the focus of epidemiology is just on infectious diseases and epidemics.<ref name="Introduction and History of Epidemiology"/> By mid to late century, bacteria are being identified as major causes of diseases.<ref name="Historic Developments in Epidemiology"/>
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