Asha Thombrayil

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

Nguyen H. Tran, Vidyashankara G. Iyer, Andreas C. Themistocleous, 2020, Lancet.

Efficacy of the ChAdOx1 nCoV-19 Covid-19 Vaccine against the B.1.351 Variant

S. Madhi, A. Sigal, T. de Oliveira, 2021, The New England Journal of Medicine.

Safety and efficacy of the ChAdOx1 nCoV-19 (AZD1222) Covid-19 vaccine against the B.1.351 variant in South Africa

S. Madhi, A. Sigal, T. de Oliveira, 2021, medRxiv.

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

Nguyen H. Tran, Vidyashankara G. Iyer, Andreas C. Themistocleous, 2021, The Lancet.

ChAdOx1 nCoV-19 (AZD1222) Covid-19 vaccine efficacy against the B.1.351 variant

S. Madhi, A. Sigal, T. de Oliveira, 2021, The New England Journal of Medicine.

Preliminary Efficacy of the NVX-CoV2373 Covid-19 Vaccine Against the B.1.351 Variant

D. Moodley, S. Madhi, V. Shinde, 2021, medRxiv.