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

In the last year, several cases of measles have been identified in the Philadelphia region; last winter, a measles outbreak sickened nine people and sent six to the hospital in Philadelphia.

The first case of measles of measles for 2025 has been confirmed and though there is no sign of measles in Lehigh Valley, the local health networks are preparing for the worst.