Jul 22, 2026
A 9-year-old boy contracted measles during a family visit to Seminole, Texas in early 2025, then returned to Mexico where the disease spread rapidly among his classmates, ultimately forcing their school to shut down.
Health officials confirmed measles cases in multiple California infants, including a 7-month-old in Orange County, a graduate student in Los Angeles County, and San Francisco's first case since 2019. The infants were too young to be vaccinated, raising concerns about protecting vulnerable children during the ongoing outbreak.
Largest measles outbreak in recent U.S. history has been officially declared over after sustained decline in new cases and containment of transmission chains, marking a key public health milestone while underscoring ongoing risks tied to vaccination gaps.
Sacramento and Placer County health officials confirmed a growing measles outbreak in the community, with exposure reported at a pediatric care location. The outbreak comes amid declining vaccination coverage in California.
Utah’s measles outbreak has reached 602 cases, with the majority reported in 2026, contributing significantly to a nationwide surge of 1,748 cases across multiple states, with most infections occurring among unvaccinated or unknown-status individuals.