Arizona health officials say there are four confirmed linked measles cases, making it another state with an outbreak.

The U.S. logged fewer than 30 measles cases this week as Ohio health officials confirmed three outbreaks in two counties were ...

One of America's biggest counties is on red alert after a resident was diagnosed with a deadly infection, potentially ...

SAN ANTONIO -- Authorities in San Antonio said the number of people who died in heavy storms and flooding has risen to 11 and ...

F or the past 60 years, a committee of independent experts has advised the federal government on vaccine policy, providing ...

Kennedy Jr.’s unprecedented firing on June 9 of all 17 members of the Advisory Committee on Immunization Practices (ACIP) of ...