covid-19

Laboratory testing for the respiratory illness coronavirus disease 2019 (COVID-19) and the associated SARS-CoV-2 virus includes methods that detect the presence of virus and those that detect antibodies produced in response to infection. Detection of antibodies (serology) can be used both for clinical purposes, including in China confirmation of recovery, and population surveillance. Due to limited testing, as of March 2020, no countries had reliable data on the prevalence of the virus in their population.

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