Affiliation: | aDepartment of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada;bCanadian Center for Vaccinology, Dalhousie University and the IWK Health Centre, Halifax, NS, Canada;cDepartment of Pediatrics, Faculty of Medicine, Dalhousie University and the IWK Health Centre, Halifax, NS, Canada;dDepartment of Applied Oral Sciences, Faculty of Dentistry, Dalhousie University, Halifax, NS, Canada |