Analysis of seemingly recovered COVID-19 patients indicates that SARS-CoV-2 infection can persist significantly longer than suggested by PCR-negative tests | News-Medical

https://www.news-medical.net/amp/news/20230120/Analysis-of-seemingly-recovered-COVID-19-patients-indicates-that-SARS-CoV-2-infection-can-persist-significantly-longer-than-suggested-by-PCR-negative-tests.aspx