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Volume 28, Number 10—October 2022
Dispatch

Nosocomial COVID-19 Incidence and Secondary Attack Rates among Patients of Tertiary Care Center, Zurich, Switzerland

Aline WolfensbergerComments to Author , 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, and Walter Zingg
Author affiliations: University Hospital Zürich and University of Zürich Division of Infectious Diseases and Hospital Epidemiology, Zurich, Switzerland (A. Wolfensberger, M. Zeeb, P.W. Schreiber, M. Vazquez, V. Schärer, T. Scheier, D. Saleschus, W. Zingg); University of Zürich Institute of Medical Virology, Zurich (V. Kufner, M. Zaheri, M. Zeeb, S. Schmutz, M. Huber); University Hospital Zürich and University of Zürich Department for Internal Medicine, Zurich (I. Nortes, S.K. Rampini); University Hospital Zürich Clinic of Immunology, Zurich (E. Probst)

Main Article

Figure 2

Transmission clusters of patients after exclusion of 5 exposed patients in whom phylogenetic data did not support transmission. Circles are index patients, squares are infected contact patients. Green arrows represent phylogenetically confirmed transmissions, with the labels “0 SNP” and “1 SNP” indicating 0 or 1 SNP difference between index and exposed patient. Green dashed arrows represent phylogenetic proof of second-generation transmission. Black arrows represent assumed transmissions without phylogenetic proof. i, index patient; a–d, exposed

Figure 2. Transmission clusters of patients after exclusion of 5 exposed patients in whom phylogenetic data did not support transmission. Circles are index patients, squares are infected contact patients. Green arrows represent phylogenetically confirmed transmissions, with the labels “0 SNP” and “1 SNP” indicating 0 or 1 SNP difference between index and exposed patient. Green dashed arrows represent phylogenetic proof of second-generation transmission. Black arrows represent assumed transmissions without phylogenetic proof. i, index patient; a–d, exposed

Main Article

Page created: July 31, 2022
Page updated: September 21, 2022
Page reviewed: September 21, 2022
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