Progress in measles elimination.
D003140:Communicable Disease Control / Q000379:methods / Q000639:trends; D005260:Female; D006801:Humans; D007114:Immunization / Q000379:methods; D008297:Male; D008457:Measles / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission; D009313:National Health Programs; D014481:United States