Healthcare personnel frequently have positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antigen tests 5 days or more after diagnosis of coronavirus disease 2019 (COVID-19). (8th December 2022) - Stiefel, Usha; Bhullar, Davinder; Zabarsky, Trina F.; Palmieri, Natalie F.; Diaz, Kimberly D.; Torres-Teran, Maria M.; Donskey, Curtis J.