A haemagglutination test for rapid detection of antibodies to SARS-CoV-2 ‌ Townsend, A, Rijal, P, Xiao, J, Tan, TK, Schimanski, L, Rahikainen, R, Matthews, PC, Crook, D, Hoosdally, S, Dunachie, S, Barnes, E, Street, T, Conlon, CP, Frater, J, Arancibia-Cárcamo, CV, Rudkin, J, Stoesser, N, Karpe, F, Neville, M, Ploeg, R, Oliveira, M, Roberts, DJ, Lamikanra, AA, Tsang, HP, Mentzer, AJ, Knight, JC, Kwok, AJ, Screaton, GR, Mongkolsapaya, J, Dejnirattisai, W, Supasa, P, Klenerman, P, Dold, C, Ainsworth, M, Allcock, A, Beer, S, Bibi, S, Skelly, D, Stafford, L, Jeffrey, K, O'Donnell, D, Clutterbuck, E, Espinosa, A, Mendoza, M, Georgiou, D, Lockett, T, Martinez, J, Perez, E, Gallardo Sanchez, V, Scozzafava, G, Sobrinodiaz, A, Thraves, H, Et al