Katie M. O’Brien

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

Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled trial

Pedro M. Folegatti, Katie Ewer, Parvinder K. Aley et al. · The Lancet · 2020 · 2.6K citations · Full text

Veterinary Medicine, Immunology, Infectious Diseases +14

A Quantile-Based g-Computation Approach to Addressing the Effects of Exposure Mixtures

Alexander P. Keil, Jessie P. Buckley, Katie M. O’Brien et al. · Environmental Health Perspectives · 2020 · 1.6K citations · Full text

Public Health, Biostatistics, Epidemiologic Methods +13

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

A Population-Based Study of Genes Previously Implicated in Breast Cancer

Chunling Hu, Steven N. Hart, Rohan Gnanaolivu et al. · New England Journal of Medicine · 2021 · 866 citations · Full text

Medicine, Genetics, Molecular Genetics +17