California officials warn of possible measles exposure in 6 counties due to infected Amtrak rider - KCRA

California officials warn of possible measles exposure in 6 counties due to infected Amtrak rider  KCRACalifornia warns of measles exposure in six counties from unvaccinated train passenger  The GuardianLA Union Station travelers may have been exposed to measles by infected passenger, health officials warned  ABC7 Los AngelesPerson with measles rode Amtrak through six California counties, officials say  Los Angeles TimesMeasles warning: Infected passenger rode train in Bay Area  The Mercury News