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California warns measles exposure after unvaccinated Amtrak passenger

By Drooid · Sep 19, 2026, 11:02 PM UTC · How we work

Summary

Story summary

The California Department of Public Health warned of measles exposure after an unvaccinated Amtrak passenger traveled through counties.
The passenger arrived in Los Angeles from Chicago on Sept. 10 and then traveled through five California cities.
Officials said exposure occurred at stations and bus stops in Los Angeles, Kern, San Joaquin, Alameda and Butte counties.
By Sept. 14, 2026, California reported 59 measles cases, 94% unvaccinated, and urged vulnerable groups to seek guidance.

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Story summary

The California Department of Public Health warned of measles exposure after an unvaccinated Amtrak passenger traveled through counties.
The passenger arrived in Los Angeles from Chicago on Sept. 10 and then traveled through five California cities.
Officials said exposure occurred at stations and bus stops in Los Angeles, Kern, San Joaquin, Alameda and Butte counties.
By Sept. 14, 2026, California reported 59 measles cases, 94% unvaccinated, and urged vulnerable groups to seek guidance.