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

The fatal disease was first found in Cambodia in December 2003 and initially only affected wild birds. Since then, the diseases has spread to humans in counties across the world, including in the US ...

Spain has reported an outbreak of highly pathogenic H5N1 bird flu on a fattening turkey farm in the southwestern region of ...

Farm workers facing possible arrest would likely resist getting tested for bird flu should there be a resurgence this fall, ...

Several local factors—including the minimum temperature reached in autumn, the water level in lakes and ponds in winter, and ...

A recent Cornell University study revealed how the highly pathogenic avian influenza (HPAI) H5N1 strain is harming the U.S. dairy industry. The virus causes severe mastitis in cows, reducing milk ...