UK prevalence of underlying conditions which increase the risk of severe COVID-19 disease: a point prevalence study using electronic health records by Walker, JL, Grint, DJ, Strongman, H, Eggo, RM, Peppa, M, Minassian, C, Mansfield, KE, Rentsch, CT, Douglas, IJ, Mathur, R, Wong, AYS, Quint, JK, Andrews, N, Bernal, JL, Scott, JA, Ramsay, M, Smeeth, L, McDonald, HI

Comparison of methods for predicting COVID-19-related death in the general population using the OpenSAFELY platform by Williamson, EJ, Tazare, J, Bhaskaran, K, McDonald, HI, Walker, AJ, Tomlinson, L, Wing, K, Bacon, S, Bates, C, Curtis, HJ, Forbes, HJ, Minassian, C, Morton, CE, Nightingale, E, Mehrkar, A, Evans, D, Nicholson, BD, Leon, DA, Inglesby, P, MacKenna, B, Davies, NG, DeVito, NJ, Drysdale, H, Cockburn, J, Hulme, WJ, Morley, J, Douglas, I, Rentsch, CT, Mathur, R, Wong, A, Schultze, A, Croker, R, Parry, J, Hester, F, Harper, S, Grieve, R, Harrison, DA, Steyerberg, EW, Eggo, RM, Diaz-Ordaz, K, Keogh, R, Evans, SJW, Smeeth, L, Goldacre, B