California Health Officials Issue Measles Exposure Notice Following Unvaccinated Passenger Travel
California health officials have issued a measles exposure notification following travel by an unvaccinated Amtrak passenger on trains and buses across six counties earlier this month.
San Francisco Oakland San Jose, CA, September 18, 2026 —
California public health officials have alerted residents to potential measles exposure after an unvaccinated individual traveled on Amtrak trains and buses earlier this month. The notification covers routes spanning six counties within the state.
The specific dates of travel and the precise routes taken by the infected passenger have not been fully detailed in the public notification. Health authorities are urging individuals who may have been in contact with the passenger during their journeys to monitor for symptoms of measles and to take appropriate precautions.
Measles is a highly contagious respiratory infection that can cause serious health complications, particularly in young children, pregnant women, and individuals with weakened immune systems. Symptoms typically include fever, cough, runny nose, and a characteristic rash.
The counties affected by this exposure notification are not explicitly named in the provided information. Health departments in those regions are expected to release further details to assist the public in identifying potential exposure risks.
Health officials emphasize the importance of vaccination as the most effective way to prevent measles. Unvaccinated individuals who may have been exposed are advised to consult with a healthcare provider. The timeline for symptom onset can range from 7 to 21 days after exposure.
Further information regarding specific travel dates, routes, and affected counties is anticipated from local health departments. The contractor or entity responsible for the transport services is not specified in the current public health advisory.
Story summarized from the original created by KTVU.Staff@fox.com (KTVU Staff) on www.ktvu.com, see more information here.
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