Non-occupational and occupational factors associated with specific SARS-CoV-2 antibodies among hospital workers - A multicentre cross-sectional study

Kahlert, Christian R; Persi, Raphael; Güsewell, Sabine; Egger, Thomas; Leal-Neto, Onicio B; Sumer, Johannes; Flury, Domenica; Brucher, Angela; Lemmenmeier, Eva; Möller, J Carsten; Rieder, Philip; Stocker, Reto; Vuichard-Gysin, Danielle; Wiggli, Benedikt; Albrich, Werner C; Babouee Flury, Baharak; Besold, Ulrike; Fehr, Jan; Kuster, Stefan P; McGeer, Allison

doi:10.1016/j.cmi.2021.05.014

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Kahlert, C. R., Persi, R., Güsewell, S., Egger, T., Leal-Neto, O. B., Sumer, J., Flury, D., Brucher, A., Lemmenmeier, E., Möller, J. C., Rieder, P., Stocker, R., Vuichard-Gysin, D., Wiggli, B., Albrich, W. C., Babouee Flury, B., Besold, U., Fehr, J., Kuster, S. P., … Kohler, P. (2021). Non-occupational and occupational factors associated with specific SARS-CoV-2 antibodies among hospital workers - A multicentre cross-sectional study. Clinical Microbiology and Infection, 27(9), 1336–1344. https://doi.org/10.1016/j.cmi.2021.05.014

Abstract

OBJECTIVES

Protecting healthcare workers (HCWs) from coronavirus disease-19 (COVID-19) is critical to preserve the functioning of healthcare systems. We therefore assessed seroprevalence and identified risk factors for severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) seropositivity in this population.

METHODS

Between 22 June 22 and 15 August 2020, HCWs from institutions in northern/eastern Switzerland were screened for SARS-CoV-2 antibodies. We recorded baseline characteristics, non-occupational and occupational risk fa