As the frost line retreats northward in the early spring, its withdrawal is often closely followed — and occasionally ...

Officials have discovered a highly contagious avian influenza in commercial poultry in Sheboygan County. The Wisconsin ...

Mexico has detected its first human case of H5N1 avian influenza, also known as bird flu, the health ministry said on Friday.

The U.S. Food and Drug Administration is suspending efforts to improve its bird flu testing of milk, cheese and pet food due ...