Measles Outbreak in Contra Costa and East Bay Prompts Health Warnings
TL;DR
Contra Costa County has confirmed a measles case, with exposure at several locations between Dec. 17 and Dec. 24, 2025. The health department urges unvaccinated individuals to get immunized and advises those exposed to monitor symptoms, which include fever, cough, and rash. Contact tracing is underway to prevent further spread.
- Measles Case Confirmed in Contra Costa County Contra Costa Health
- Measles confirmed in East Bay, potential exposure at Walnut Creek stores KRON4
- Measles case reported in East Bay: Here’s where the infected person shopped before Christmas San Francisco Chronicle
- Measles case confirmed in East Bay, possible exposure at shopping mall, health officials warn KTVU
- Contra Costa health officials confirm measles case, potential exposures in Walnut Creek CBS News
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