COVID-19 risk mitigation in reopening mass cultural events: population-based observational study for the UK Events Research Programme in Liverpool City Region gan Burnside, G, Cheyne, CP, Leeming, G, Humann, M, Darby, A, Green, MA, Crozier, A, Maskell, S, O'Halloran, K, Musi, E, Carmi, E, Khan, N, Fisher, D, Corcoran, R, Dunning, J, Edmunds, WJ, Tharmaratnam, K, Hughes, DM, Malki-Epshtein, L, Cook, M, Roberts, BM, Gallagher, E, Howell, K, Chand, M, Kemp, R, Boulter, M, Fowler, T, Semple, MG, Coffey, E, Ashton, M, García-Fiñana, M, Buchan, IE

Changes in in-hospital mortality in the first wave of COVID-19: a multicentre prospective observational cohort study using the WHO Clinical Characterisation Protocol UK gan Docherty, AB, Mulholland, RH, Lone, NI, Cheyne, CP, De Angelis, D, Diaz-Ordaz, K, Donegan, C, Drake, TM, Dunning, J, Funk, S, García-Fiñana, M, Girvan, M, Hardwick, HE, Harrison, J, Ho, A, Hughes, DM, Keogh, RH, Kirwan, PD, Leeming, G, Nguyen Van-Tam, JS, Pius, R, Russell, CD, Spencer, RG, Tom, BDM, Turtle, L, Openshaw, PJM, Baillie, JK, Harrison, EM, Semple, MG, Baillie, JK, Semple, MG, Openshaw, PJM, Carson, G, Alex, B, Bach, B, Barclay, WS, Bogaert, D, Chand, M, Cooke, GS, Docherty, AB, da Silva Filipe, A, Fletcher, T, Green, CA, Harrison, EM, Hiscox, JA, Ho, AYW, Horby, PW, Ijaz, S, Khoo, S