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

Merryn Voysey , Sue Ann Costa Clemens , Shabir A. Madhi , Merryn Voysey , Sue Ann Costa Clemens , Shabir A. Madhi , Lily Yin Weckx , Pedro M. Folegatti , Parvinder K. Aley , Brian Angus , Vicky L. Baillie , Shaun Barnabas , Qasim Bhorat , Sagida Bibi , Carmen Briner , Paola Cicconi , Andrea M. Collins , Rachel Colin-Jones , Clare Cutland , Thomas C. Darton , Keertan Dheda , C.J. Duncan , Katherine R. W. Emary , Katie Ewer , Lee Fairlie , Saul N. Faust , Shuo Feng , Daniela M. Ferreira , Adam Finn , Anna L. Goodman , Catherine Green , Christopher Green , Paul T. Heath , Catherine Hill , Helen Hill , Ian Hirsch , Susanne H. Hodgson , Alane Izu , Susan Jackson , Daniel Jenkin , Carina C. D. Joe , Simon Kerridge , Anthonet Koen , Gaurav Kwatra , Rajeka Lazarus , Alison M. Lawrie , Alice Lelliott , Vincenzo Libri , Patrick Lillie , Raburn M. Mallory , Ana Verena Almeida Mendes , Eveline Pı́polo Milan , Angela M. Minassian , Alastair McGregor , Hazel Morrison , Yama F Mujadidi , Anusha Nana , Peter O’Reilly , Sherman D. Padayachee , Ana Maria Pittella , Emma Plested , Katrina M. Pollock , Maheshi Ramasamy , Sarah Rhead , Alexandre Vargas Schwarzbold , Nisha Singh , Darren Smith , Rinn Song , Matthew D. Snape , Eduardo Sprinz , Rebecca Sutherland , Richard Tarrant , Emma C. Thomson , M. Estée Török , Mark Toshner , David P. J. Turner , Johan Vekemans , Tonya Villafana , Marion Watson , Christopher J. Williams , Alexander D. Douglas , Adrian V. S. Hill , Teresa Lambe , Sarah C. Gilbert , Andrew J. Pollard , Marites Aban , Fatola Abayomi , Kushala W.M. Abeyskera , Jeremy Aboagye , Matthew Adam , Kirsty Adams , James P. Adamson , Yemi Adelaja , Gbadebo Adewetan , Syed Adlou , Khatija Ahmed , Yasmeen Akhalwaya , Saajida Akhalwaya , Andrew Alcock , Aabidah Ali , Elizabeth Allen , Lauren Allen , Thamires C. D. S. C Almeida
2020 The Lancet 4,945 citations

Abstract

UK Research and Innovation, National Institutes for Health Research (NIHR), Coalition for Epidemic Preparedness Innovations, Bill & Melinda Gates Foundation, Lemann Foundation, Rede D'Or, Brava and Telles Foundation, NIHR Oxford Biomedical Research Centre, Thames Valley and South Midland's NIHR Clinical Research Network, and AstraZeneca.

Keywords

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Coronavirus disease 2019 (COVID-19)2019-20 coronavirus outbreakInterimMedicineBetacoronavirusInterim analysisVirologyCoronavirus InfectionsSars virusCoronavirusMEDLINEPandemicClinical trialInternal medicineGeographyBiologyOutbreakInfectious disease (medical specialty)

MeSH Terms

AdolescentAdultAgedBrazilCOVID-19COVID-19 VaccinesChAdOx1 nCoV-19Double-Blind MethodFemaleHumansMaleMiddle AgedSingle-Blind MethodSouth AfricaTreatment OutcomeUnited KingdomYoung Adult

Affiliated Institutions

Related Publications

Publication Info

Year
2020
Type
article
Volume
397
Issue
10269
Pages
99-111
Citations
4945
Access
Closed

Citation Metrics

4945
OpenAlex
141
Influential
4073
CrossRef

Cite This

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. (2020). 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. The Lancet , 397 (10269) , 99-111. https://doi.org/10.1016/s0140-6736(20)32661-1

Identifiers

DOI
10.1016/s0140-6736(20)32661-1
PMID
33306989
PMCID
PMC7723445

Data Quality

Data completeness: 86%