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

By most indications, the avian influenza outbreak that has washed over U.S. farms is at an ebb. Experts don’t seem hopeful, ...

The recent live bird market cases represent the second and third known cases of avian influenza in Philadelphia. In January, ...

Avian flu has wreaked havoc in other parts of the world. According to the World Organization for Animal Health, the United ...

In the case of critically endangered California condors, scientists organized a vaccination program -- including in San Diego ...

Amid a worsening avian flu crisis, staffers have not been hired for the federal agency in charge of pandemic response.

Following the January die-off of 5,000 snow geese due to avian flu at in the Lehigh Valley, the game commission was expecting ...

H5N1 influenza is evolving rapidly, weakening the effectiveness of existing antibodies and increasing its potential threat to ...

Influenza of avian origin (H5N1) has been confirmed in a single sheep in Yorkshire. The UK's Chief Veterinary Officer has ...

Q: What is avian influenza? Avian influenza, also known as bird flu, is a viral infection that primarily affects birds but ...

Another chicken flock tests positive for bird flu in Mississippi. What are the risks? How do I know if I have it? What you ...

Robert F. Kennedy Jr. addressed the worsening avian flu crisis, saying vaccinating birds turns them into “mutation factories.