Robert F. Kennedy Jr. was sworn in Thursday as President Donald Trump's health secretary after a close Senate vote, putting ...

Longtime anti-vaccine critic Robert F. Kennedy was confirmed Tuesday as the new Secretary of Health and Human Services.

Each year, flu experts from around the world gather to map out recommendations for next winter's flu vaccine. This year, it's ...

Vaccines are designed to guard babies, toddlers, and older children against a whole range of serious and potentially deadly ...