Dynamics and Correlation Among Viral Positivity, Seroconversion, and Disease Severity in COVID-19: A Retrospective Study

Cohort study (n=3,192) found that in patients with laboratory-confirmed COVID-19, the viral positivity rate peaked within the first 3 days, and the median duration of viral positivity was 24.0 days in critically ill patients and 18.0 days in the noncritically ill.

Source:

Annals of Internal Medicine