Measles outbreak.
D004196:Disease Outbreaks; D006801:Humans; D007114:Immunization; D008457:Measles / Q000453:epidemiology*; D008458:Measles Vaccine; D014481:United States / Q000453:epidemiology; D014613:Vaccines, Attenuated
D008458:Measles Vaccine; D014613:Vaccines, Attenuated