Dr. Jean Longtin practiced as hospital pharmacist at Laval University Hospital before training in infectious diseases and medical microbiology. Dr. Longtin previously worked at Public Health Ontario under Donald Low, served as Medical director of the Laboratoire national de santé publique du Québec (LSPQ) and as a consultant for WHO Africa Emergency preparedness and response. Dr. Longtin is currently a special advisor to Quebec CMOH and is a clinician-scientist, microbiologist, and infectious disease specialist at the CHU de Québec-Université Laval.
