She works as a pediatric infectious diseases consultant and a medical microbiologist. She is the Chair of the Infection Control Committee and the pediatric medical co-director of Optilab Montreal-CHUM (clinical laboratories). She is an Adjunct Professor in the Department of Pediatrics and in the Department of Epidemiology and Biostatistics at McGill University and is the co-director of the McGill University Health Center Vaccine Study Center. She holds a cross-appointment at the Quebec Institute of Public Health (INSPQ) where she works in the Healthcare-Associated Infections and Immunization branches.