From the Centers for Disease Control. Measles--United States, 2000.
D016358:Contact Tracing; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D008457:Measles / Q000453:epidemiology* / Q000517:prevention & control; D008459:Measles virus / Q000235:genetics; D014195:Travel; D014481:United States / Q000453:epidemiology