Ducharme is a contributor to TIME. A medical worker performs a COVID-19 test at a screening center in Saint-Denis, France, on Nov. 4, 2020. Ducharme is a contributor to TIME. If you had COVID-19 ...
In a recent study posted to the medRxiv* preprint server, researchers examined sample collection practices, epidemiological characteristics, and cycle threshold (Ct) values for polymerase chain ...