In adults, the Oxford/AstraZeneca vaccine had 70% efficacy against COVID-19 >14 d after the 2nd dose.
rct · Level II
Where this comes from
- Record sourced from PubMed, PMID 33646835.
- Also identified by DOI 10.7326/ACPJ202103160-029.
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Abstract
Voysey M, Clemens SA, Madhi SA, et al. <b>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.</b> Lancet. 2021;397:99-111. 33306989.
Medical subject headings
- COVID-19
- Vaccines