Home / Health / California Warns of Measles Exposure Across Six Counties
California Warns of Measles Exposure Across Six Counties
19 Sep
Summary
- Unvaccinated traveler's route sparked measles exposure warnings.
- Passenger journeyed through six California counties via train and bus.
- US faces largest measles resurgence in over three decades.
California public health officials have issued a warning concerning a potential measles exposure linked to an unvaccinated traveler. This individual journeyed through a minimum of six counties, including Alameda, Kern, Los Angeles, Sacramento, San Joaquin, and Butte, via Amtrak trains and bus services. The traveler entered California on September 10, 2026, traveling from Los Angeles to Bakersfield, then to Stockton, Oroville, Sacramento, and Emeryville before departing for Denver.
This incident underscores a broader national health concern, as the United States is currently experiencing its largest measles resurgence in more than three decades. This surge is significantly influenced by increasing vaccine hesitancy. Health authorities are collaborating with federal and local agencies to identify and inform passengers and individuals present at stations along the traveler's route.
Assistant state public health officer Rita Nguyen emphasized the critical importance of vaccination, stating that the measles-mumps-rubella (MMR) vaccine offers safe and lasting protection. Meanwhile, Pennsylvania is confronting the nation's most severe active measles outbreak, with 731 confirmed cases across 38 counties and four measles-related deaths. Pennsylvania is seeking emergency assistance from the CDC, though a dispute exists regarding the public acknowledgment of these deaths.
