(KRON) — San Mateo County health officials have confirmed a case of measles occurred in the county earlier this year. According to officials, there was a single case in February that was related ...

REDWOOD CITY, Calif. - San Mateo County Health officials say there is now at least one confirmed case of measles, which was reported in February after the person traveled internationally.

This month, the number of measles cases reported in California so far in 2025 jumped above the total for all of 2024.

SAN MATEO COUNTY, Calif. — Another California county reported a measles case on Monday. San Mateo County reported a confirmed case, making it the sixth county to be affected by the viral disease.

Eleven cases of measles have been confirmed in California as of May 26 in the jurisdictions of Fresno, Los Angeles, Orange, Placer, Riverside, San Mateo and Tuolumne. 5 ...

California's 12 other confirmed cases of measles this year are spread across a number of counties: Fresno, Los Angeles, Orange, Placer, Riverside, San Mateo, Santa Clara, and Tuolumne. More from ...

Why now: This is the ninth recent measles case in California, with others reported in Fresno, Los Angeles, Orange, Placer, San Mateo and Tuolumne counties. Measles cases are on a sharp rise this ...

REDWOOD CITY, Calif. - San Mateo County Health officials say there is now at least one confirmed case of measles, which was reported in February after the person traveled internationally.

San Mateo County health officials have confirmed a case of measles occurred in the county earlier this year. According to officials, there was a single case in February that was related to travel.