Voysey, M., Clemens, S., Madhi, S., Weckx, L., Folegatti, P., Aley, P., Angus, B., Baillie, V., Barnabas, S., Bhorat, Q., Bibi, S., Briner, C., Cicconi, P., Collins, A., Colin-Jones, R., Cutland, C., Darton, T., Dheda, K., Duncan, C., Emary, K., Ewer, K., Fairlie, L., Faust, S., Feng, S., Ferreira, D., Finn, A., Goodman, A., Green, C., Green, C., Heath, P., Hill, C., Hill, H., Hirsch, I., Hodgson, S., Izu, A., Jackson, S., Jenkin, D., Joe, C., Kerridge, S., Koen, A., Kwatra, G., Lazarus, R., Lawrie, A., Lelliott, A., Libri, V., Lillie, P., Mallory, R., Mendes, A., Milan, E., Minassian, A., McGregor, A., Morrison, H., Mujadidi, Y., Nana, A., O'Reilly, P., Padayachee, S., Pittella, A., Plested, E., Pollock, K., Ramasamy, M., Rhead, S., Schwarzbold, A., Singh, N., Smith, A., Song, R., Snape, M., Sprinz, E., Sutherland, R., Tarrant, R., Thomson, E., Török, M., Sorio, G., Sorley, K., Sosa-Rodriguez, T., Souza, C., Souza, B., Souza, A., Spencer, A., Spina, F., Spoors, L., Stafford, L., Stamford, I., Starinskij, I., Stein, R., Steven, J., Stockdale, L., Stockwell, L., Strickland, L., Stuart, A., Sturdy, A., Sutton, N., Szigeti, A., Tahiri-Alaoui, A., Tanner, R., Taoushanis, C., Tarr, A., Taylor, K., Taylor, U., Taylor, I., Taylor, J., te Water Naude, R., Themistocleous, Y., Themistocleous, A., Thomas, M., Thomas, K., Thomas, T., Thombrayil, A., Thompson, F., Thompson, A., Thompson, K., Thompson, A., Thomson, J., Thornton-Jones, V., Tighe, P., Tinoco, L., Tiongson, G., Tladinyane, B., Tomasicchio, M., Tomic, A., Tonks, S., Tran, N., Tree, J., Trillana, G., Trinham, C., Trivett, R., Truby, A., Tsheko, B., Turabi, A., Turner, R., Turner, C., Ulaszewska, M., Underwood, B., Varughese, R., Verbart, D., Verheul, M., Vichos, I., Vieira, T., Waddington, C., Walker, L., Wallis, E., Wand, M., Warbick, D., Wardell, T., Warimwe, G., Warren, S., Watkins, B., Watson, E., Webb, S., Webb-Bridges, A., Webster, A., Welch, J., Wells, J., West, A., White, C., White, R., Williams, P., Williams, R., Winslow, R., Woodyer, M., Worth, A., Wright, D., Wroblewska, M., Yao, A., Zimmer, R., Zizi, D. & Zuidewind, P. 2021, 'Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK', The Lancet, 397(10269), pp. 99-111. http://dx.doi.org/10.1016/S0140-6736(20)32661-1