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

Montgomery County, Pennsylvania, officials say a baby who has been diagnosed with measles visited two health care facilities in the area while he was infectious.

Montgomery County officials have released additional details about the region’s first 2025 confirmed case of measles, including the places the unvaccinated child visited before their emergency room diagnosis.

Montgomery County health officials continue contact tracing efforts after an unvaccinated Montgomery County baby contracted a case of measles over the weekend.

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.

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.