Progress towards interrupting indigenous measles transmission in the western hemisphere.
D000293:Adolescent; D000328:Adult; D000569:Americas / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D007114:Immunization / Q000706:statistics & numerical data; D017589:Immunization Programs; D007223:Infant; D008457:Measles / Q000453:epidemiology* / Q000517:prevention & control*; D011159:Population Surveillance / Q000379:methods; D013020:South America / Q000453:epidemiology; D014900:West Indies / Q000453:epidemiology