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

The United States is facing a growing threat from the H5N1 bird flu outbreak. Scientists are concerned that existing vaccines ...

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

New computational modeling of avian influenza variants' immunoprotein interactions—developed by a research team at the ...

The latest bird flu epidemic has crossed species barriers, underlining the pressing need for a more proactive and global ...

If you have sick birds in your BACKYARD flock, please report them to WSDA’s Sick Bird Hotline at 1-800-606-3056. If your farm ...

The H5N1 avian influenza virus is mutating to evade immune defenses in mammals following prior infection or vaccination.

In a new study, results suggest that in a preclinical model, two FDA-approved flu antivirals did not successfully treat ...

The UK’s Chief Veterinary Officer has confirmed a case of influenza of avian origin (H5N1) in a single sheep in Yorkshire ...

The 1918 flu pandemic, also known as the Spanish flu, caught the world by surprise just as the First World War was coming to ...

Highly pathogenic avian influenza A(H5N1) virus was identified in 2 symptomatic indoor domestic cats from homes of Michigan dairy workers.

Recommendations on the strain composition of influenza virus vaccines for the 2025-2026 US season have been issued by FDA.