Vaccination rates vary by district, with several schools reporting 100% coverage, while others have as low as 40%.

Measles is rarely seen in the United States, but Americans are growing more concerned about the preventable virus as cases ...

More measles cases have been confirmed in New Jersey and Kentucky as health officials work to treat patients in an ongoing ...

A King County infant has tested positive for measles in the year’s first confirmed case in a Washington resident. The child might have been exposed to the highly contagious disease while traveling ...