TY - JOUR AU - Wolfensberger, Aline AU - Kufner, Verena AU - Zaheri, Maryam AU - Zeeb, Marius AU - Nortes, Isabelle AU - Schreiber, Peter AU - Vazquez, Miriam AU - Schärer, Verena AU - Scheier, Thomas AU - Schmutz, Stefan AU - Probst, Elisabeth AU - Saleschus, Dirk AU - Huber, Michael AU - Rampini, Silvana AU - Zingg, Walter T1 - Nosocomial COVID-19 Incidence and Secondary Attack Rates among Patients of Tertiary Care Center, Zurich, Switzerland T2 - Emerging Infectious Disease journal PY - 2022 VL - 28 IS - 10 SP - 2087 SN - 1080-6059 AB - Of 1,118 patients with COVID-19 at a university hospital in Switzerland during October 2020–June 2021, we found 83 (7.4%) had probable or definite healthcare-associated COVID-19. After in-hospital exposure, we estimated secondary attack rate at 23.3%. Transmission was associated with longer contact times and with lower cycle threshold values among index patients. KW - COVID-19 KW - SARS-COV-2 KW - coronavirus disease KW - severe acute respiratory syndrome coronavirus 2 KW - zoonoses KW - nosocomial infections KW - cross-infection KW - infection control KW - infectious disease transmission KW - risk factors KW - viruses KW - Switzerland DO - 10.3201/eid2810.220321 UR - https://wwwnc.cdc.gov/eid/article/28/10/22-0321_article ER - End of Reference