Reported measles decline continues; research seeks to avert resurgence.
Cotton
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P
D000328:Adult; D002675:Child, Preschool; D004196:Disease Outbreaks; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology*; D008458:Measles Vaccine; D014481:United States / Q000453:epidemiology; D014505:Urban Population
D008458:Measles Vaccine