The measles epidemic in Calgary, 1974-1975: the duration of protection conferred by vaccine.
D000293:Adolescent; D000367:Age Factors; D000416:Alberta; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology / Q000517:prevention & control*; D008458:Measles Vaccine / Q000008:administration & dosage*; D014611:Vaccination
D008458:Measles Vaccine