"Measles is really the most contagious illness that we know of," one expert said, which is why vaccinations are so important.

A patient who came to a hospital emergency room in Montgomery County is Pennsylvania's first confirmed measles case this year ...

Health officials are investigating a confirmed case of measles in an unvaccinated Montgomery County child. Disease ...

New details are emerging after Montgomery County Health officials confirmed Pennsylvania’s first measles case of the year over the weekend.

Health officials in Montgomery County, Pennsylvania have confirmed a case of measles in a child, and say it's possible members of the public were exposed.

New details are emerging after Montgomery County Health officials confirmed Pennsylvania’s first measles case of the year ...

Travelers who visited John F. Kennedy International Airport in New York City and other locations in eastern Pennsylvania at the end of February should be on alert for symptoms of measles, after a ...

Identified individuals are in the process of being contacted and notified of potential exposure to measles and assessed for vaccination status and risk for infection.

The unvaccinated child arrived at JFK on a China Airlines flight, before boarding an overnight shuttle bus to North Philadelphia.

The first case of measles in Pennsylvania this year has been confirmed, and though there is no sign of the infection in the ...

The unvaccinated child visited the Children's Hospital of Philadelphia's King of Prussia campus emergency room on Feb. 26, ...