 duration of infectious SARS-CoV-2 shedding is an important measure for improved disease control. Here, the authors use virus cultures of respiratory tract samples from COVID-19 patients and observe a median shedding duration of 8 days and a drop below 5% after 15-2 days post onset of symptoms. This article was authored by Yerun Javan Kampen, David A. M. C. Van De Viva, Peter L. A. Fryage, and others.