Pennsylvania’s Department of Health reported on 16 October 2026 that confirmed measles cases in the state have reached 1,260 across 43 counties. That is 38 new cases since the 14 October update. Hospitalizations stand at 238, and five measles-associated deaths have been confirmed. A sixth death, in Franklin County, remains under investigation.
Nationally, the CDC lists 4,410 confirmed U.S. cases as of 15 October—an increase of 330 (about 8%) in one week. Roughly 96% of cases are among people who are unvaccinated or whose status is unknown. Children and teens aged 5–19 make up the largest share.
What this means for families
Measles spreads easily through the air and can stay infectious for up to two hours after an infected person leaves a space. Symptoms start with fever, cough, runny nose, and red eyes, followed by a rash that begins on the head and spreads down. Complications include pneumonia, dehydration, and, rarely, brain swelling. Infants, pregnant people, and those with weakened immune systems face higher risk.
Practical steps
- Check your household’s MMR status. Two doses give about 97% lifetime protection.
- In counties with ongoing community transmission, Pennsylvania recommends an early “zero” dose for infants 6–11 months. This does not replace the routine doses at 12–15 months and 4–6 years.
- Contact your pediatrician or a local clinic if anyone has possible exposure or early symptoms. Call ahead so the office can prepare.
- Pennsylvania has seen a surge in MMR demand—more than 56,000 doses in September versus a typical monthly 25,000. Clinics and pop-ups continue.
The CDC is sending an Epidemic Intelligence Service officer (“disease detective”) to support Pennsylvania’s response. New York earlier declared a statewide disaster emergency as cases rose in neighboring areas.
Stay current with local health department alerts and talk with your clinician about catch-up or early doses if your child is behind schedule.
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