Staff at the World Bird Sanctuary in St. Louis are taking extra precautions to protect raptor species from H5 avian influenza ...

A new CDC report shows an outbreak of bird flu among U.S. dairy and poultry workers, renewing concerns among dogwalkers and hikers in Massachusetts about how safe it is to be outdoors.

Following a three-month quarantine, a big cat sanctuary in Washington is re-opening after a deadly bird flu outbreak struck ...

The report is the latest evidence that the outbreak in dairy herds is spreading undetected in cows, and the spillover into ...