Sean C. Elias

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

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2020 · 5K citations · Full text

Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled trial

Pedro M. Folegatti, Katie Ewer, Parvinder K. Aley et al. · The Lancet · 2020 · 2.6K citations · Full text

Vaccination, Vaccine Safety, Phase 1/2 +7

Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2021 · 1.2K citations · Full text

Efficacy of a low-dose candidate malaria vaccine, R21 in adjuvant Matrix-M, with seasonal administration to children in Burkina Faso: a randomised controlled trial

Mehreen S. Datoo, Hamtandi Magloire Natama, Ousmane Traoré et al. · The Lancet · 2021 · 431 citations · Full text

Protective CD8+ T-cell immunity to human malaria induced by chimpanzee adenovirus-MVA immunisation

Katie Ewer, Geraldine O’Hara, C.J. Duncan et al. · Nature Communications · 2013 · 289 citations · Full text