In 2025, the county confirmed a previous measles case that also followed international travel, Merchant noted. In its weekly report, the California Department of Public Health has recorded one measles case statewide in 2026. Measles on the riseCalifornia saw 25 cases of measles in 2025, including Bay Area cases in Contra Costa, San Mateo and Santa Clara counties — contributing to a total of 2,144 confirmed cases nationwide. Last year saw the country’s highest number of measles cases since the disease was eliminated in the year 2000, according to the CDC data. Last year saw the country’s highest number of measles cases since the disease was eliminated in the year 2000, according to the CDC data.

Source: The Guardian January 09, 2026 17:54 UTC