University of British Columbia (UBC) - Department of Microbiology and Immunology, University of British Columbia (UBC) - Department of Pediatrics, Public Health Agency Canada - National Microbiology Laboratory, Public Health Agency Canada - National Microbiology Laboratory, University of Alberta, Université Laval - Department of Social and Preventive Medicine, Public Health Agency Canada - National Microbiology Laboratory and British Columbia Children's Hospital Research Institute - Vaccine Evaluation Center