Dr Daniel Tzu-Hsuan Chen is a research fellow in the Primary Care Epidemiology Group in the Nuffield Department of Primary Care Health Sciences at the University of Oxford. With a background in rehabilitation medicine and epidemiology, his research focuses on non-communicable disease prevention, particularly smoking and tobacco use, cardiovascular diseases, and cancer prevention. Daniel’s work uses large-scale datasets and routinely collected health records to understand population health and help shape healthcare policies.

Daniel is passionate about improving public health outcomes through evidence-based research and policy development. He has published manuscripts on tobacco prevention and smoking cessation using national datasets, cancer epidemiology, and COVID-19 vaccination safety and efficacy studies for vulnerable populations, such as immunocompromised individuals and those with blood cancer, using the QResearch primary care database.