Author(s): Reyes LF, Murthy S, Garcia-Gallo E, Irvine M, Merson L, Martin-Loeches I, Rello J, Taccone FS, Fowler RA, Docherty AB, Kartsonaki C, Aragao I, Barrett PW, Beane A, Burrell A, Cheng MP, Christian MD, Cidade JP, Citarella BW, Donnelly CA, Fernandes SM, , French C, Haniffa R, Harrison EM, Ho AYW, Joseph M, Khan I, Kho ME, Kildal AB, Kutsogiannis D, Lamontagne F, Lee TC, Bassi GL, Lopez Revilla JW, Marquis C, Millar J, Neto R, Nichol A, Parke R, Pereira R,, Poli S, Povoa P, Ramanathan K, Rewa O, Riera J, Shrapnel S, Silva MJ, Udy A, Uyeki T, Webb SA, Wils EJ, Rojek A, Olliaro PL; ISARIC Clinical Characterisation Group