Highly pathogenic avian influenza, commonly called bird flu, has increasingly spread to mammals and infected hundreds of ...

Bangladesh reported a first outbreak of highly pathogenic bird flu on a farm since 2018, the World Organisation for Animal ...

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

The detection of bird flu in a sheep is another sign that the H5N1 virus is adapting to hop to new hosts ...

Bird flu has devastated poultry and dairy farms since it was first detected in North America in late 2021. But what has been ...

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

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

Feb. 26, 2025 — Pre-existing immunity against seasonal H1N1 flu might help explain why most reported human cases of H5N1 bird flu in the U.S. have not resulted in ... Backyard Poultry Face Bird ...

In February 2022, a new variant of the highly contagious virus was detected in U.S. commercial and backyard poultry, and it ...

Hundreds of samples of raw milk in Minnesota have been tested for bird flu as the state ramps up its effort to slow the spread of the virus. The national effort started in January; Minnesota’s ...

Zoetis received conditional USDA approval for an avian flu vaccine. Major poultry and dairy organizations back vaccine use to control the virus. The Trump administration is rolling out a new ...

Mar. 17, 2025 — Existing antivirals may be less effective against this H5N1 bird flu strain, and prevention measures, such as avoiding raw milk consumption and reducing exposure in dairy workers ...