Health officials are investigating a confirmed case of measles in an unvaccinated Montgomery County child. Disease investigators with the Montgomery County Office of Public Health (OPH) are completing contact tracing.

Montgomery County, PA reports first measles case of 2025, linked to an unvaccinated child and international travel.

The unvaccinated child visited the Children's Hospital of Philadelphia's King of Prussia campus emergency room on Feb. 26, the county's Department of Health said.

A patient at CHOP in King of Prussia is the region’s first confirmed measles case this year. Authorities have not released the person's age or gender.

Health officials in Montgomery County, Pennsylvania, are investigating one confirmed case of measles in an unvaccinated child, county officials said Sunday. Montgomery County Office of Public Health investigators are working with the child's guardians and health care providers for contact tracing and notifying anyone who might have been exposed to the virus,

An unvaccinated child in Montgomery County has contracted the measles — the first confirmed case in Pennsylvania this year. The child contracted the highly contagious virus while on an international trip and returned to the area last week.

The Montgomery County Department of Health and Human Services' Office of Public Health is investigating a confirmed case of measles in an unvaccinated Montgomery County child.