SARS-CoV-2 seroprevalence in healthcare workers of a Swiss tertiary care centre at the end of the first wave: a cross-sectional study oleh Gilbert Greub, Giuseppe Pantaleo, Oriol Manuel, Urania Dafni, Valérie D'Acremont, Estelle Moulin, Bruno Grandbastien, Thierry Calandra, Sylvain Meylan, Frederic Lamoth, Zoi Tsourti, Michael A Lobritz, Jean Regina, Philippe Bressin, Laurence Senn, Cyril Andre, Craig Fenwick, Antony Croxatto, Isabelle Guilleret, Catherine Lazor-Blanchet, Oliver Peters, Michael Currat, Laurence Posset, Fady Fares, Vassili Soumas, Séverine Bignon, Elisa Corne, Joana Da Silva Quelhas, Allan Dussex, Dominique Ker, Patricia Mosset, Eugénie Prouvost, Kyllian Ruscio, Sandrine Piccon, Fleur Valterio, Emilie Allain, Charles Guay, Zahra Hezari, Yoann Levet, Marie-Agnès Prevost, Adeline Rognon, Homa Salehi-Gysel, Cécile Starck, Aurélie Tornier, Sara Torres da Fonseca, Aline Udriot