Health officials in Montgomery County are investigating and contact tracing after a child was diagnosed with measles.

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

Pennsylvania recorded its first measles case of 2025 over the weekend in a Philadelphia suburb. Why it matters: The case, ...

Montgomery County officials have released additional details about the region’s first 2025 confirmed case of measles, ...