The first wave of COVID-19 in hospital staff members of a tertiary care hospital in the greater Paris area: A surveillance and risk factors study oleh Benjamin Davido, Sylvain Gautier, Isabelle Riom, Stephanie Landowski, Christine Lawrence, Anne Thiebaut, Simon Bessis, Veronique Perronne, Helene Mascitti, Latifa Noussair, Martine Domart Rancon, Beatrice Touraine, Elisabeth Rouveix, Jean-Louis Herrmann, Djilalli Annane, Pierre de Truchis, Elisabeth Delarocque-Astagneau