California issues measles exposure alert following unvaccinated passenger travel
The Guardian · September 19, 2026Original source ↗

What happened
California public health officials have issued a warning regarding possible measles exposure. This follows the travel of an unvaccinated passenger who used Amtrak trains and thruway buses across at least six counties in the state.
Why it matters
This alert highlights ongoing public health concerns regarding measles vaccination rates and potential outbreaks.
How this story affects people
How does this story affect you if you traveled on Amtrak trains or thruway buses in California recently?
You may have been exposed to measles, which could pose serious health risks, especially if you are unvaccinated. Health authorities are working to notify those who might be affected, so staying informed is crucial for your safety.
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