tetano
Editor, Senior Moderator
Emerg Infect Dis
. 2022 Sep 1;28(10).
doi: 10.3201/eid2810.220321. Online ahead of print.
Nosocomial COVID-19 Incidence and Secondary Attack Rates among Patients of Tertiary Care Center, Zurich, Switzerland
Aline Wolfensberger, Verena Kufner, Maryam Zaheri, Marius Zeeb, Isabelle Nortes, Peter W Schreiber, Miriam Vazquez, Verena Schärer, Thomas Scheier, Stefan Schmutz, Elisabeth Probst, Dirk Saleschus, Michael Huber, Silvana K Rampini, Walter Zingg
Abstract
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.
Keywords: COVID-19; SARS-COV-2; Switzerland; coronavirus disease; cross-infection; infection control; infectious disease transmission; nosocomial infections; risk factors; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.
. 2022 Sep 1;28(10).
doi: 10.3201/eid2810.220321. Online ahead of print.
Nosocomial COVID-19 Incidence and Secondary Attack Rates among Patients of Tertiary Care Center, Zurich, Switzerland
Aline Wolfensberger, Verena Kufner, Maryam Zaheri, Marius Zeeb, Isabelle Nortes, Peter W Schreiber, Miriam Vazquez, Verena Schärer, Thomas Scheier, Stefan Schmutz, Elisabeth Probst, Dirk Saleschus, Michael Huber, Silvana K Rampini, Walter Zingg
- PMID: 36048771
- DOI: 10.3201/eid2810.220321
Abstract
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.
Keywords: COVID-19; SARS-COV-2; Switzerland; coronavirus disease; cross-infection; infection control; infectious disease transmission; nosocomial infections; risk factors; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.