The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

As the seasonal flu picks up, there are even more opportunities for the bird flu to acquire mutations as the different influenza viruses mix.

An estimated 200 snow geese discovered in parts of the Lehigh Valley are suspected by the Pennsylvania Game Commission to have died from bird flu. Test results are awaiting confirmation by the ...

We are currently witnessing the growing spread of H5N1 avian flu across the globe. Here in the United States, the USDA Animal ...

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

The Food and Drug Administration has begun a domestic sampling assignment to collect and test aged raw milk cheese for Highly Pathogenic Avian Influenza ...

Amid a wave of reported avian influenza (bird flu) infections of cattle and other mammals, the FAO has released new ...

In fact, California has been in a Tree Mortality State of Emergency since Oct. 30, 2015. It was declared by Gov. Jerry Brown ...

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...

First come the horseshoe crabs. Hoisting their round, tank-like shells, they trundle out of the Delaware Bay under the first ...