During 2022, a total of 9,515 asymptomatic healthcare workers of a large hospital in Germany underwent SARS-CoV-2 PCR screening twice weekly. Of 398,784 saliva samples, 3,555 (0.89%) were PCR positive (median cycle threshold value 30). Early identification of infected healthcare workers can help reduce SARS-CoV-2 transmission in the hospital environment.
Keywords: COVID-19; Germany; Omicron variant; PCR testing; SARS; SARS-CoV-2; coronavirus; coronavirus disease; healthcare workers; respiratory infections; severe acute respiratory syndrome coronavirus 2; surveillance; viruses; zoonoses.