title: Surveillance of measles following a national mass immunization campaign.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D017589:Immunization Programs; D008457:Measles / Q000453:epidemiology* / Q000517:prevention & control; D006113:United Kingdom / Q000453:epidemiology