In a major development, AHIP (formerly America's Health Insurance Plans), the insurance company trade group, announced that ...

In the Chicago area, Cook County has reported its second suburban case of measles this year, in an unvaccinated 4-year-old ...

That message has put CDC staffers left behind in an awkward position. Nine current and former employees told me they ...

An idyllic New England county is grappling with its largest-ever outbreak of human immunodeficiency virus (HIV). Local health ...