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

A patient who came to a hospital emergency room in Montgomery County is Pennsylvania’s first confirmed measles case this year amid a national surge of the highly contagious virus, according to health ...

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 ...