TY - JOUR T1 - 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 JO - The Lancet UR - http://eprints.whiterose.ac.uk/169309/ PY - 2020/12/08 AU - Voysey M AU - Clemens SAC AU - Madhi SA AU - Weckx LY AU - Folegatti PM AU - Aley PK AU - Angus B AU - Baillie VL AU - Barnabas SL AU - Bhorat QE AU - Bibi S et al ED - DO - DOI: 10.1016/s0140-6736(20)32661-1 PB - Elsevier BV VL - 397 IS - 10269 SP - 99 EP - 111 Y2 - 2024/09/19 ER -