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The Pennsylvania Department of Health confirmed that an unvaccinated resident of Jefferson County tested positive for measles and has died.
This was the sixth confirmed measles-associated death in Pennsylvania. The death was reported to the Centers for Disease Control and Prevention (CDC) and added to Pennsylvania's measles dashboard. The number of confirmed measles cases stands at 1,467 across 45 counties so far in 2026.
Warren County's number of confirmed cases is now at 19.
State health center staff have administered more than 6,800 MMR vaccinations at 241 pop-up vaccination clinics in the affected communities since the outbreak began in late April. Dozens of additional vaccine clinics are scheduled for the upcoming weeks and months, based on community interest and need. In pop-up clinics and at state health centers combined, DOH nurses have administered more than 10,900 MMR vaccine doses to residents across the Commonwealth in 2026.
Statewide, health care providers have also seen a surge of interest from residents seeking MMR vaccinations. In a typical month, Pennsylvania health care providers administer approximately 25,000 doses of the MMR vaccine. In September and October more than 56,000 and 61,000 doses were administered, respectively.
The best protection against measles remains getting fully vaccinated. The MMR vaccine, administered over two doses, boosts a person's immune system and provides 97% lifetime protection.
Residents interested in getting vaccinated should contact their trusted health care provider.
MMR vaccine is available across the state by contacting a health care provider, a pharmacy, county or municipal health department, DOH State Health Center, Federally Qualified Health Centers (FQHCs), or a Vaccines for Children (VFC) program.