Fifth unvaccinated person dies of measles in Pennsylvania outbreak

October 1, 2026 at 02:37 AM1 min

This digest was compiled by AI from multiple sources — links to the originals are below.

A fifth unvaccinated person has died of measles in Pennsylvania, health officials said Wednesday. State nurses have administered more than 8,500 MMR vaccine doses this year, including over 5,500 at pop-up clinics in outbreak areas. The CDC has tallied at least 3,659 measles cases nationwide this year, the highest since 1991, while reporting only two deaths.

Key Facts

The CDC has tallied at least 3,659 measles cases in the US this year, the highest on record since 1991.
Pennsylvania health officials report that state nurses have administered more than 8,500 MMR vaccine doses this year, including over 5,500 at pop-up clinics in outbreak areas.
The CDC is currently reporting only two measles deaths, and it is unclear which two have been counted.
The MMR vaccine, administered over two doses, provides 97 percent lifetime protection against measles, according to the Pennsylvania health department.

Outbreak Toll

A fifth unvaccinated person has died of measles in Pennsylvania, according to state health officials. The Centers for Disease Control and Prevention has tallied at least 3,659 measles cases nationwide this year, exceeding last year's total and marking the highest count since 1991. Despite the rising death toll, the CDC is reporting only two measles deaths, and it remains unclear which two fatalities have been included in that count.

Vaccination Response

Pennsylvania health officials are racing to vaccinate residents amid the deadly outbreak. State nurses have administered more than 8,500 doses of the measles, mumps, and rubella (MMR) vaccine this year, including more than 5,500 doses given at pop-up clinics in outbreak areas. The Pennsylvania health department reiterated Wednesday that the MMR vaccine, administered over two doses, boosts a person's immune system and provides 97 percent lifetime protection.