Homologous and heterologous boosting of the Chadox1-S1-S COVID-19 vaccine with the SCB-2019 vaccine candidate: a randomized, controlled, phase 2 study by Costa Clemens, SA, Milan, EP, Sprinz, E, Neto, JC, Pacciarini, F, Li, P, Chen, HL, Smolenov, I, Pollard, A, Clemens, R

Immunogenicity, safety and reactogenicity of heterologous (third dose) booster vaccination with a full or fractional dose of two different COVID-19 vaccines: A phase 4, single-blin... by Costa Clemens, SA, Marchevsky, N, Kelly, S, Felle, S, Eldawi, A, Rajasingam, R, Mahmud, R, Lambe, T, Voysey, M, Gonzalez, I, Milan, EP, Justino, MC, Bibi, S, Aley, P, Clemens, R, Pollard, AJ

Efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine against SARS-CoV-2 lineages circulating in Brazil by Clemens, SAC, Folegatti, PM, Emary, KRW, Weckx, LY, Ratcliff, J, Bibi, S, Verena De Almeida Mendes, A, Milan, EP, Pitella, A, Schwarzbold, AV, Sprinz, E, Aley, PK, Bonsall, D, Fraser, C, Fuskova, M, Gilbert, SC, Jenkin, D, Kelly, S, Kerridge, S, Lambe, T, Marchevsky, NG, Mujadidi, YF, Plested, E, Ramasamy, MN, Simmonds, P, Golubchik, T, Voysey, M, Pollard, AJ

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 by Voysey, M, Clemens, SAC, Madhi, SA, Weckx, LY, Folegatti, PM, Aley, PK, Angus, B, Baillie, VL, Barnabas, SL, Bhorat, QE, Bibi, S, Briner, C, Cicconi, P, Collins, AM, Colin-Jones, R, Cutland, CL, Darton, TC, Dheda, K, Duncan, CJA, Emary, KRW, Ewer, KJ, Fairlie, L, Faust, SN, Feng, S, Ferreira, DM, Finn, A, Goodman, AL, Green, CM, Green, CA, Heath, PT, Hill, C, Hill, H, Hirsch, I, Hodgson, SHC, Izu, A, Jackson, S, Jenkin, D, Joe, CCD, Kerridge, S, Koen, A, Kwatra, G, Lazarus, R, Lawrie, AM, Lelliott, A, Libri, V, Lillie, PJ, Mallory, R, Mendes, AVA, Milan, EP, Minassian, AM, Lambe, T, Pollard, AJ