From the Centers of Disease Control and Prevention. Progress toward interrupting indigenous measles transmission--region of the Americas, January-November 2001.
D000569:Americas / Q000453:epidemiology; D006801:Humans; D017589:Immunization Programs; D008457:Measles / Q000453:epidemiology* / Q000517:prevention & control* / Q000635:transmission; D008458:Measles Vaccine; D010175:Pan American Health Organization
D008458:Measles Vaccine