Public health experts are urging vigilance amid recent reports of severe bird flu cases in two North American patients.

Public-health experts have been highly critical of the federal and state response to the virus, which was first identified in ...

Hundreds of dead birds have reportedly been falling from the sky in dystopian scenes in Pennsylvania. Wildlife officials ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

The administration said it was committing $306 million toward improving hospital preparedness, early-stage research on ...

Feeling under the weather? Local health officials are tracking a variety of viruses making rounds in the community right now.

The first severe case of avian influenza A(H5N1), also known as H5N1 bird flu, has been confirmed in the United States, ...

The bird flu that is circulating around the world is suspected of having killing about 200 snow geese in the Lehigh Valley, spreading to a species that is migrating through the region by the thousands ...

As bird flu continues to ramp up, many are wondering what tools—namely, vaccines—we have to fight it if such intervention ...

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

The agency says it is looking for red flags, but the risk to the public still remains low. Meanwhile, a Louisiana patient with a severe case of bird flu showed worrying mutations in the samples ...