Dalhousie University - Geriatric Medicine Research, Dalhousie University - Geriatric Medicine Research, Dalhousie University - Department of Pathology, Université Laval - CHU de Québec, Université de Sherbrooke - Département de Microbiologie et d'Infectiologie, Health Sciences North Research Institute, Dalhousie University - Division of Infectious Disease, Canadian Center for Vaccinology, Canadian Center for Vaccinology, Canadian Center for Vaccinology, Université Laval - Department of Microbiology-Infectology and Immunology, McMaster University - Department of Health Research Methods, Evidence, and Impact (HEI), University of Alberta - Division of Infectious Disease, Dalhousie University - Geriatric Medicine Research and Dalhousie University - Division of Infectious Disease