Pennsylvania health officials reported a fifth measles-associated death and 943 total cases as the state faces its worst outbreak in over 35 years. The unvaccinated person died in Lancaster County amid the nation's largest ongoing measles outbreak.
The CDC officially recognized one measles-related death in the U.S., nearly a month after Pennsylvania reported four measles deaths, highlighting a political dispute between state and federal health authorities over death toll reporting.
Pennsylvania's health department requested emergency CDC support as the state grapples with one of the country's largest measles outbreaks, with 117 new cases reported and two deaths. Republican Senator Bill Cassidy blamed the Trump administration's vaccine approach for the deaths.
Pennsylvania health officials confirmed four measles-associated deaths this year, including two additional fatalities announced recently. This brings the US total to the highest level in decades amid a nationwide outbreak that has reached approximately 3,300 cases.
For the third consecutive week, the CDC has not included two Pennsylvania measles deaths in its official reporting, prompting internal concerns about data integrity as the U.S. faces its worst measles outbreak in decades.
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.
