For the seventh week in a row, indicators show that US influenza activity is dropping, but it's still above baseline levels.

Recent viral mutations have shown avian influenza’s adaptability to mammalian hosts, prompting infectious disease, animal ...

The world is facing an intensifying battle against high pathogenicity avian influenza (HPAI), as the latest data from the ...

Over 35 million birds, mostly egglayers, have been lost in the United States by highly pathogenic avian influenza since Jan.

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 cases are rising rapidly in the United States and around the world. A new study traces how the disease spread over ...