Study: Patients with severe COVID-19 might shed viable virus during prolonged periods of up to 4 weeks

Prolonged SARS-CoV-2 cell culture replication in respiratory samples from patients with severe COVID-19 – Clinical Microbiology and Infection

Commentary on Twitter

Different pattern of SARS-CoV-2 viability in mild cases (viral replication max 10 days) vs severe COVID-19: viable virus demonstrated up to 4 weeks even in the presence of high levels of neutralizing activityhttps://t.co/dhERkipKJ0

— Rafael Delgado (@derafaeldelgado) February 23, 2021