Dr Wen-Qiang He is a medically trained epidemiologist with qualifications in Clinical Medicine, Medical Microbiology and Epidemiology. Dr He completed his PhD in 2018 and is a Research Fellow and Early Career Researcher in the Child Population and Translational Health Research group, University of Sydney. DR He has experience in conducting epidemiological research with complex data analysis of large national and international data linkage cohort studies, with a focus on vaccine-preventable diseases, reproductive health, and paediatrics.