With the devastating 1918 pandemic in mind, US health officials saw an outbreak in Asia and swung into action. What happened ...

For nearly 40 years, scientists have gathered here to track flu viruses in the bird population, hoping to catch early signs of potentially dangerous outbreaks.  This year, however, researchers ...

The detection indicates that distinct forms of the virus known as Type A H5N1 have spilled over from wild birds into cattle ...

Researchers are reporting mass die offs of wild birds and sea mammals due to bird flu. They're tracking the deaths to better understand the virus and how it might create a greater threat to humans.

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry ...

As the disease rapidly evolves, questions continue to rise: what is the bird flu? Why is this different? What can we do?

As bird flu continues to spread across the U.S. and Eastern Shore of Maryland, here's a look at how you can keep yourself and ...

This incident follows a recent bird flu case at a commercial poultry plant in Georgia, highlighting the ongoing concern of the virus's spread. Bird flu continues to impact poultry populations ...

As bird flu continues to threaten animals and public health, the U.S. government has stepped up its response. Experts says it's not robust enough.

Two animal deaths at Lincoln Park Zoo in Chicago have been traced to an outbreak of avian influenza, or bird flu, according to a statement from zoo officials on Wednesday. It also announced that ...