Germaine Hanquet is a Belgian physician and epidemiologist working on vaccine and infectious disease studies. She specialised in epidemiology at the Harvard School of Public Health and obtained her PhD degree from Ghent university on methodological aspects of vaccine evaluation studies. After 13 years with Médecins Sans Frontières (MSF) around the world, she worked as epidemiologist for the Belgian Institute of Public Health (2001-08) where she set up a pneumococcal disease surveillance, for the Belgian Health Care Knowledge agency (2008-21) on vaccine cost-effectiveness studies and for P95 (since 2021) on pneumococcal studies. In parallel in her free-lance consultant work, she worked on pneumococcal surveillance systems for the ECDC (evaluation of national surveillance and the EU network SpIDnet/I-Move+ with EpiConcept), with the EMA on clinical evaluation of vaccines, and with other agencies on other vaccine studies. Her focus is the epidemiological methods for evaluating vaccine effects at the population level, and PCV in general.