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 KCRA Person with measles rode Amtrak trains and buses across CA, health officials say Sacramento Bee Measles exposure warning issued after infected traveler passes through state The Mercury News Regional: California Zephyer, Capitol Corridor Passengers Warned Over Measles SFGATE California warns unvaccinated person with measles traveled through 6 counties CBS News