title: Active hospital-based surveillance for meningococcal polysaccharide vaccine adverse events after an emergency mass immunization program, Edmonton, Alberta.
mesh_terms: D000293:Adolescent; D000328:Adult; D000416:Alberta / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control; D004630:Emergencies; D006801:Humans; D032541:Mass Vaccination / Q000009:adverse effects*; D008585:Meningitis, Meningococcal / Q000453:epidemiology / Q000517:prevention & control; D022401:Meningococcal Vaccines / Q000009:adverse effects*; D011159:Population Surveillance
chemical_list: D022401:Meningococcal Vaccines