The CDC declared the end of its emergency response to H5N1 avian flu as a health threat to humans, David Murray writes.

Cambodia today reported its thirteenth human H5N1 avian flu case of the year, part of an overall acceleration of activity ...

Avian influenza has a near 100% fatality rate among birds. (AP Photo/Erin Hooley, File) Use protective gear such as gloves and eye protection when handling possibly infected birds.

The fatality rate for H5N1 highly pathogenic avian influenza in humans has historically been high, with more than half of people dying. Why, then, is the current H5N1 bird flu outbreak—which has ...