Problems in the eradication of measles.
D001131:Arkansas; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D008458:Measles Vaccine / Q000627:therapeutic use*; D013781:Texas
D008458:Measles Vaccine