A sheep infected with bird flu will ring another alarm bell as the virus continues to drift into mammals. It's the first time anywhere in the world that a sheep is known to have been infected.

March 24 (Reuters) - Highly pathogenic avian influenza, commonly called bird flu, has increasingly spread to mammals and infected hundreds of people, raising concerns that it may lead to human-to ...

Bird flu has ripped through the animal kingdom for the past few years now, killing countless birds and crossing into an alarming number of mammals. Yet people remain largely untouched. Even though ...

(AP Photo/J. Scott Applewhite, File) Bird flu has devastated poultry and dairy farms, and sent the price of eggs soaring in the United States since it was first detected in North America in late 2021.