Selina Albrecht, Fabian Grässli, Alexia Cusini, Angela Brucher, Stephan Goppel, Elsbeth Betschon, J Carsten Möller, Manuela Ortner, Markus Ruetti, Reto Stocker, Danielle Vuichard-Gysin, Ulrike Besold, Lorenz Risch, Matthias Von Kietzell, Matthias Schlegel, Pietro Vernazza, Stefan P Kuster, Christian R Kahlert, Philipp Kohler
AIMS OF THE STUDY: We aimed to assess the extent of SARS-CoV-2 humoral immunity elicited by previous infections and/or vaccination among healthcare workers, and to identify reasons why healthcare workers decided against vaccination. METHODS: This nested cross-sectional study included volunteer healthcare workers from 14 healthcare institutions in German-speaking Switzerland. In January 2021, SARS-CoV-2 vaccines were available for healthcare workers. In May and June 2022, participants answered electronic questionnaires regarding baseline characteristics including SARS-CoV-2 vaccination status (with one or more vaccine doses defined as vaccinated) and previous SARS-CoV-2 infections...
April 13, 2024: Swiss Medical Weekly