San Bernardino County Confirms First Measles Case of 2026

Unvaccinated youth visiting from another state tests positive for the highly contagious disease.

Published on Feb. 6, 2026

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The San Bernardino County Department of Public Health announced on Friday, February 6th, that the county has confirmed its first case of measles in 2026. The case involves an unvaccinated youth visiting California from another state.

Why it matters

Measles is a highly contagious viral disease that can lead to serious complications, especially in unvaccinated individuals. This case highlights the importance of vaccination in protecting both individual and community health, as outbreaks can spread rapidly without high vaccination rates.

The details

According to the county news release, the confirmed measles case involves an unvaccinated youth visiting from another state. Public health officials are working to identify any potential exposures and notify those who may have come into contact with the infected individual.

  • The case was confirmed on Friday, February 6, 2026.
  • This is the first confirmed measles case in San Bernardino County since 2023.

The players

San Bernardino County Department of Public Health

The local public health agency responsible for monitoring and responding to infectious disease outbreaks in San Bernardino County.

Unvaccinated youth

The individual who tested positive for measles and was visiting California from another state.

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What’s next

Public health officials are working to identify any potential exposures and notify those who may have come into contact with the infected individual.

The takeaway

This measles case underscores the importance of vaccination, as outbreaks can spread rapidly in unvaccinated populations. Maintaining high vaccination rates is crucial for protecting individual and community health.