The contribution of hospital-acquired infections to the COVID-19 epidemic in England in the first half of 2020.
Gwenan Mary KnightThi Mui PhamJames StimsonSebastian FunkYalda JafariDiane PopleStephanie EvansMo YinColin S BrownAlex BhattacharyaRussell HopeMalcolm G Semplenull nullnull nullJonathan M ReadBen S CooperJulie V RobothamPublished in: BMC infectious diseases (2022)
Transmission of SARS-CoV-2 to hospitalised patients likely caused approximately a fifth of identified cases of hospitalised COVID-19 in the "first wave" in England, but less than 1% of all infections in England. Using time to symptom onset from admission for inpatients as a detection method likely misses a substantial proportion (>ā60%) of hospital-acquired infections.