Voysey M, Clemens SAC, Madhi SA, et al. 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. Lancet 2021; 397: 99–111—In this Article, Keertan Dheda's affiliation with the London School of Hygiene & Tropical Medicine has been added, and appendix 1 has been corrected. This correction has been made to the printed version, and to the online versions as of Jan 7, 2021.
. 2021 Jan 7;397(10269):98. doi: 10.1016/S0140-6736(20)32720-3
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Issue date 2021 9-15 January.
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PMCID: PMC7808126 PMID: 33422262