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. 2022 Aug 1;5(8):e2226816.
doi: 10.1001/jamanetworkopen.2022.26816.

Risk of SARS-CoV-2 Acquisition in Health Care Workers According to Cumulative Patient Exposure and Preferred Mask Type

Tamara Dörr  1 , Sabine Haller  1 , Maja F Müller  2 , Andrée Friedl  3 , Danielle Vuichard  4   5 , Christian R Kahlert  1   6 , Philipp Kohler  1
Affiliations

Risk of SARS-CoV-2 Acquisition in Health Care Workers According to Cumulative Patient Exposure and Preferred Mask Type

Tamara Dörr et al. JAMA Netw Open. .

Abstract

This cohort study compares the risk of infection with SARS-CoV-2 among health care workers by mask preference and level of patient exposure.

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Conflict of interest statement

Conflict of Interest Disclosures: Dr Vuichard reported receiving nonfinancial support from Roche Diagnostics (Switzerland) AG. The company provided the Elecsys anti-SARS CoV-2 assays and additional ancillary products to the Thurgau Hospital Group. The company was not involved in the design or conduct of the study, nor was it involved in the content of the manuscript. During the conduct of the study. Dr Kohler reported receiving grants from Swiss National Sciences Foundation, grants from the Health Department of Canton of St Gallen, and grants from Swiss Federal Office of Public Health during the conduct of the study. No other disclosures were reported.

Figures

Figure.
Figure.. SARS-CoV-2 Positivity in Health Care Workers Depending on Cumulative Patient Exposure and Mask Type
Incidence of SARS-CoV-2 in health care workers depending on cumulative patient exposure during 12 months. Dashed line indicates SARS-CoV-2 positivity in participants without patient contact. Error bars indicate 95% CIs.
See this image and copyright information in PMC

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