David Chapman

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 et al. · The Lancet · 2020 · 5K citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2021 · 1.2K citations · Full text

Veterinary Medicine, Immunology, Immunization +16

Effect of Covid-19 Vaccination on Transmission of Alpha and Delta Variants

David W. Eyre, Donald Taylor, M. B. Purver et al. · New England Journal of Medicine · 2022 · 504 citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

COVID-19: Rapid antigen detection for SARS-CoV-2 by lateral flow assay: A national systematic evaluation of sensitivity and specificity for mass-testing

Tim Peto, Dominic P. Affron, Babak Afrough et al. · EClinicalMedicine · 2021 · 218 citations · Full text

Life Sciences, Immunology, Infectious Diseases +16

Structural plasticity in the hypothalamic supraoptic nucleus at lactation affects oxytocin-, but not vasopressin-secreting neurones

D.T. Theodosis, David Chapman, Catherine M. Montagnese et al. · Neuroscience · 1986 · 179 citations

Life Sciences, Neurobiology, Neuroscience +17