@article{article, title  = {{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}},

 publisher = {{Elsevier BV}},

 url = {{}},

 year = {{2020}},

 month = {{12}},

 author = {{Voysey M and Clemens SAC and Madhi SA and Weckx LY and Folegatti PM and Aley PK and Angus B and Baillie VL and Barnabas SL and Bhorat QE and Bibi S et al}},

 doi = {{10.1016/s0140-6736(20)32661-1}},

 journal = {{The Lancet}},

 note = {{Accessed on 2024/12/22}}}