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Meylan, S., Dafni, U., Lamoth, F., Tsourti, Z., Lobritz, M. A., Regina, J., Bressin, P., Senn, L., Grandbastien, B., Andre, C., Fenwick, C., D'Acremont, V., Croxatto, A., Guilleret, I., Greub, G., Manuel, O., Calandra, T., Pantaleo, G., & Lazor-Blanchet, C. (2021). sARS-CoV-2 seroprevalence in healthcare workers of a Swiss tertiary care centre at the end of the first wave: a cross-sectional study. BMJ open, 11(7), . http://access.bl.uk/ark:/81055/vdc_100133936679.0x000017