Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

Authorities are investigating why two women fell ill at the Revolution Against Aging and Death Festival. They both received ...

The HHS is betting $500 million on developing a universal flu vaccine that could protect against multiple flu strains.

The parasitic fly that attacks warm-blooded animals was eliminated from the United States in the 1960s, but it’s creeping ...