Measles outbreak surpasses 1,500 across Commonwealth

The Pennsylvania Department of Health (DOH) announced that measles cases surpassed 1,500 across Pennsylvania on Monday.

Cases and health response

1,505 measles cases have been confirmed across 45 counties in Pennsylvania in 2026, according to the DOH.

There have reportedly been 18 newly confirmed cases since Nov. 6, and 73 confirmed cases in the last 7 days.

Around 200 DOH staff are working with residents, community organizations and health care providers to combat the measles outbreak through access to fact-based information and access to he measles, mumps and rubella (MMR) vaccines, according to officials.

The DOH said that there have been 5 measles cases among vaccinated individuals, which is less than 1%.

Since the beginning of 2026, 290 individuals have been hospitalized with measles.

Outbreak background

PREVIOUS COVERAGE | Pennsylvania Dept. of Health confirms 6th measles-associated death in Jefferson County