Pennsylvania health officials have confirmed a fourth measles-associated death this year, bringing the total confirmed deaths in the state to four. These deaths represent a grim milestone in the return of a disease that the U.S. once largely considered vanquished.
This marks the worst year for the disease in Pennsylvania since 1992 and the worst measles year for the U.S. since 1991, with seven deaths recorded over two years. All four of this year's U.S. fatalities occurred in Pennsylvania, driving fatalities to the highest level in decades.
The victims include an 18-year-old, a 40-year-old, and two infants who were too young to be vaccinated. The state health department announced the fourth death on Tuesday.
Due to the Trump administration changing how it reports measles deaths, the Centers for Disease Control and Prevention does not count any of these deaths in its national tally. Three of the deaths occurred in 2025.