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

A confirmed case of measles in an unvaccinated child is under investigation by Montgomery County health officials.

The King County infant, diagnosed with measles after recent overseas travel, may have exposed others at several locations around the Puget Sound region, including Seattle Children's, Bellevue Square ...

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

The Pennsylvania case is one of 164 across nine states this year as of Thursday, according to the CDC’s most recent data.