"Communicable diseases Prevention." . . "School health services." . . "Vaccination of children." . . "Influenza Prevention." . . "Nova Scotia. Department of Health and Wellness. Population Health Assessment and Surveillance." . . "Nova Scotia. Department of Health and Wellness. Population Health Assessment and Surveillance," . "Schools Nova Scotia." . . "Communicable diseases Nova Scotia Prevention." . . "Influenza Nova Scotia Prevention." . . "Vaccination." . . "Schools." . . . . "Vaccination Nova Scotia." . . "Vaccination of children Nova Scotia." . . . . . . . . . . . . . "School-based immunization coverage in Nova Scotia : 2008-09 to 2011-12"@en . . . . . . . "Electronic books"@en . "School-based immunization coverage in Nova Scotia 2008-09 to 2011-12"@en . . . . "Mass Vaccination methods Nova Scotia." . . "School health services Nova Scotia." . . "School Health Services Nova Scotia." . "Communicable Disease Control Nova Scotia." . . "Nova Scotia." . .