Because of high rates of 2019 novel coronavirus disease in Wuhan, China, Wuhan Blood Center began screening for severe acute respiratory syndrome coronavirus 2 RNA on January 25, 2020. We screened donations in real-time and retrospectively and found plasma samples positive for viral RNA from 4 asymptomatic donors.
Keywords: 2019 novel coronavirus disease; COVID-19; China; SARS; SARS-CoV-2; blood donors; coronavirus; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.