Sam Harper

Factors associated with COVID-19-related death using OpenSAFELY

Elizabeth Williamson, Alex J Walker, Krishnan Bhaskaran et al. · Nature · 2020 · 6.7K citations · Full text

Veterinary Medicine, Infectious Diseases, Clinical Epidemiology +6

OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients

Elizabeth Williamson, Alex J Walker, Krishnan Bhaskaran et al. · medRxiv · 2020 · 692 citations · Full text

Computing, Biomedical Informatics, Health Informatics +14

Global Variability in Fruit and Vegetable Consumption

Justin N. Hall, Spencer Moore, Sam Harper et al. · American Journal of Preventive Medicine · 2009 · 597 citations

Public Health, Nutrition, Public Health Nutrition +4

Long COVID burden and risk factors in 10 UK longitudinal studies and electronic health records

Ellen J. Thompson, Dylan M. Williams, Alex J Walker et al. · Nature Communications · 2022 · 566 citations · Full text

Public Health, Community Health, Health Sciences +17

Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England: an observational cohort study using the OpenSAFELY platform

Rohini Mathur, Christopher T. Rentsch, Caroline E Morton et al. · The Lancet · 2021 · 564 citations · Full text

Public Health, Health Sciences, Internal Medicine +17