None of the health care workers or other contact have tested positive for avian flu antibodies so far — but could their ...

Two million Australian chickens have already been killed in the nation's bird flu outbreak — and that's before the deadliest ...

Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory symptoms but wasn't tested for the flu.

In what could be the first cases of bird flu between humans in the US, a group of potential H5N1 infections in Missouri has now grown to 8.

Stay informed on the recent bird flu outbreak near the Czech Republic border. Learn about the impact on poultry and dairy ...

In what could be the first cases of bird flu spreading between humans in the United States, a group of potential H5N1 ...

A cluster of healthcare workers has been tested for H5N1 bird flu in what could be the first cases of human-to-human spread of the virus.

Track the latest bird flu vaccine news, investments, and deals as biotechs respond to rising U.S. cases with innovative ...

Australia is recovering from a devastating outbreak of avian influenza, but the worst is yet to come. Experts say it's only a ...

Although there have been reports of human-human transmission of H5N1 in the past, it’s extremely rare and has caused alarm ...

Marrazzo became the first new director of the National Institute of Allergy and Infectious Diseases in decades, taking over a ...

Germany's eastern region of Saxony has reported an outbreak of highly pathogenic H5N1 bird flu. The outbreak, which occurred on a farm near the Czech border, killed 76 out of a flock of 184 birds.