Convalescent plasma for persisting Covid-19 following therapeutic lymphocyte depletion: a report of rapid recovery.

We read with deep interest the report by Tepasse and colleagues1 , concerning two cases of persisting viremia in Covid-19 with fatal outcome. Whilst SARS-CoV-2 infection in the early stages of infection has been well described, less is known about the development of antibodies to SARS-CoV-2, clearance of RNA shedding and clinical outcome of COVID-19.