Association between antibody responses post-vaccination and severe COVID-19 outcomes in Scotland by Macdonald, C, Palmateer, N, McAuley, A, Lindsay, L, Hasan, T, Hameed, SS, Hall, E, Jeffrey, K, Grange, Z, Gousias, P, Mavin, S, Jarvis, L, Cameron, JC, Daines, L, Tibble, H, Simpson, CR, McCowan, C, Katikireddi, SV, Rudan, I, Fagbamigbe, AF, Ritchie, L, Swallow, B, Moss, P, Robertson, C, Sheikh, A