Pennsylvania health officials have now detected measles cases in York and Northumberland Counties as cases in Lancaster County, the center of an ongoing outbreak, continued to rise.
And the state health department is now recommending early measles vaccinations for infants beginning at six months in affected areas in an effort to protect them against the spread of the highly contagious disease, which is particularly risky for young children. The same precautions should be taken by families with infants traveling to these areas.
Six Pennsylvania counties have now seen measles cases since an outbreak was first confirmed in Lebanon County in April. In all, the state has reported 81 measles cases across eight counties in 2026, more than five times the cases reported in 2025…