Research groups
Colleges
Joan Madia
Senior Researcher in Health Economics
Joan is a Senior Research Fellow in Health Economics and Policy Evaluation at the Center for Health Economics Services and Organisation (CHSEO) and the Health Economics group in the Nuffield Department of Primary Health Care Sciences. Additionally, he holds a non-stipendiary affiliate membership at the Institute for the Evaluation of Public Policies (FBK-IRVAPP) in Italy.
His research interests focus on drawing causal inference from non-randomly selected samples; especially in settings of imperfect compliance, the analysis of inequality in health and human capital development, and the evaluation of public policies.
Recent publications
The economic burden of COVID-19 undervaccination: costs of hospitalisation, ICU admission, and death in Scotland.
Journal article
Kerr S. et al, (2026), Health Econ Rev
HepB-boost: Implementation of free-of-charge health care worker hepatitis B testing and vaccination at Kilifi County Referral Hospital, Kenya
Journal article
Downs LO. et al, (2026), International Journal of Infectious Diseases, 164
Epidemiology of virologically confirmed RSV, influenza and COVID-19 in adults in England, 2023–2024: Primary Care Observational Study of Acute Respiratory Infection (ObservatARI)
Journal article
Ordóñez-Mena JM. et al, (2026), Journal of Infection, 92
Primary healthcare costs associated with the AstraZeneca COVID-19 vaccine in England
Journal article
Madia JE. et al, (2026), Vaccine, 72
Beyond expansion: workforce absence, administration and the persistence of NHS elective backlogs
Journal article
Tealdi C. et al, (2026), Journal of the Royal Society of Medicine