From the Centers for Disease Control and Prevention. Epidemiology of measles--United States, 1998.
D004196:Disease Outbreaks; D006801:Humans; D008457:Measles / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D014195:Travel; D014481:United States / Q000453:epidemiology; D014611:Vaccination