What is it about?
While there are relatively few COVID-19 cases, it is possible to do comprehensive contact tracing. This allows the possibility of researching the effect of asymptomatic infection. This is difficult to do if you cannot do comprehensive contact tracing since there is no other way to know who is infected an asymptomatic.
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Why is it important?
Asymptomatic contagion could be a major factor in the rapid spread of the disease. But we do not know that for sure unless we study this.
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This page is a summary of: Revisiting early-stage COVID-19 strategy options, F1000Research, May 2020, Faculty of 1000, Ltd.,
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