Common, low-frequency, rare, and ultra-rare coding variants contribute to COVID-19 severity de réir Fallerini, C, Picchiotti, N, Baldassarri, M, Zguro, K, Daga, S, Fava, F, Benetti, E, Amitrano, S, Bruttini, M, Palmieri, M, Croci, S, Lista, M, Beligni, G, Valentino, F, Meloni, I, Tanfoni, M, Minnai, F, Colombo, F, Cabri, E, Fratelli, M, Gabbi, C, Mantovani, S, Frullanti, E, Gori, M, Crawley, FP, Butler-Laporte, G, Richards, B, Zeberg, H, Lipcsey, M, Hultström, M, Ludwig, KU, Schulte, EC, Pairo-Castineira, E, Baillie, JK, Schmidt, A, Frithiof, R, Mari, F, Renieri, A, Furini, S, Nichol, A