Seroprevalence study suggests 6.9% of Wuhan population had COVID antibodies by April, 82% of cases were asymptomatic
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19 March 2021Seroprevalence study suggests 6.9% of Wuhan population had COVID antibodies by April, 82% of cases were asymptomatic
The first long-term seroprevalence study of residents in Wuhan, China, has found that 6.9% of people in the city had antibodies against COVID-19 in April 2020, and 82% of these people had an asymptomatic infection. Additionally, 40% of people with antibodies developed neutralising antibodies, and these levels did not decrease between April and October-December 2020. The results are published in an observational study of 9,542 people in The Lancet.
