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A multi-country analysis of COVID-19 hospitalizations by vaccination status nork Gonçalves, BP, Jassat, W, Baruch, J, Hashmi, M, Rojek, A, Dasgupta, A, Martin-Loeches, I, Reyes, LF, Piubelli, C, Citarella, BW, Kartsonaki, C, Lefèvre, B, López Revilla, JW, Lunn, M, Harrison, EM, Kraemer, MUG, Shrapnel, S, Horby, P, Bisoffi, Z, Olliaro, PL, Merson, L