Continuous population-level monitoring of SARS-CoV-2 seroprevalence in a large metropolitan region by Emmenegger, M, Cecco, ED, Lamparter, D, Jacquat, R, Riou, J, Menges, D, Ballouz, T, Ebner, D, Schneider, M, Morales, IC, Doğançay, B, Guo, J, Wiedmer, A, Domange, J, Imeri, M, Moos, R, Zografou, C, Batkitar, L, Madrigal, L, Schneider, D, Trevisan, C, Gonzalez-Guerra, A, Carrella, A, Dubach, I, Xu, C, Meisl, G, Kosmoliaptsis, V, Malinauskas, T, Burgess-Brown, N, Owens, R, Hatch, S, Mongkolsapaya, J, Screaton, G, Schubert, K, Huck, J, Liu, F, Pojer, F, Lau, K, Hacker, D, Probst-Müller, E, Cervia, C, Nilsson, J, Boyman, O, Saleh, L, Spanaus, K, von Eckardstein, A, von Eckardstein, A, Schaer, D, Ban, N, Tsai, C-J, Stuart, D