County Reports Two More Measles Cases in Riverside

Health officials urge residents to check vaccination status as cases rise

Published on Feb. 13, 2026

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County health officials in Riverside, California have reported two additional measles cases, bringing the total to three cases linked in the area so far in 2026. The outbreak has prompted officials to encourage residents to verify their vaccination status and take precautions.

Why it matters

Measles outbreaks can spread quickly, especially in areas with lower vaccination rates. This latest development in Riverside highlights the importance of maintaining high community immunity to prevent the resurgence of vaccine-preventable diseases.

The details

The two new measles cases were confirmed by the Riverside University Health System - Public Health department. All three cases are believed to be connected, though the source of the initial infection is still under investigation. Health officials are working to identify any potential exposures and notify the public of any locations where people may have been exposed.

  • The two new measles cases were reported on February 13, 2026.

The players

Riverside University Health System - Public Health

The county public health department responsible for investigating the measles outbreak and notifying the public.

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What’s next

Health officials urge all residents to check their vaccination status and get vaccinated if they have not already done so. The department is also working to identify the source of the initial infection and any potential exposures.

The takeaway

This measles outbreak in Riverside underscores the continued need for high vaccination rates in order to protect vulnerable populations and prevent the resurgence of vaccine-preventable diseases in the community.