May 2022: pre-print in The Lancet examining whether certain demographic and health characteristics increase the risk of someone not receiving their second dose COVID-19 vaccine and/or experiencing adverse COVID-19 outcomes. Sociodemographic and Health Factors Affecting Uptake of Second Dose Covid-19 Vaccine in England: Retrospective Cohort Study Using Data from the National Primary Care Sentinel Surveillance Network (Oxford-Royal College of General Practitioners Clinical Informatics Digital Hub) Tsang, S.M.R,; Joy, Mark; Byford, R; Fan Xuejuan; et. al, The Lancet Published online on: 3 May 2022 Available online at: https://dx.doi.org/10.2139/ssrn.4099405 This article was published on 2024-09-24