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 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.

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 ...

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.

san juan county, n.m. — The state Department of Health has confirmed the first measles case in San Juan County amid an outbreak. The infection involves a child under the age of four who has ...

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 ...

The other patients are from Fresno, Los Angeles, Orange, Placer, San Mateo and Tuolumne counties, ... The last documented case of measles in Riverside County occurred in 2018.

Los Angeles County has its first confirmed case of the measles amid a growing number of cases in the United States. Feb. 28, 2025 During all of 2024, 285 measles cases were reported nationally.

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.