Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems ...

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

H7N9 — is detected in at a poultry farm; scientists learn that past human flu exposure may provide some immunity to H5N1.

H5N1 can still be active in raw milk cheese even after the standard 60-day aging window, according to new research.

A United Nations food agency warned that the continued spread of the H5N1 bird flu virus is an unprecedented food security ...

Bird flu “is adapting to mammals, and it continues to show new tricks,” Nelson tells The Verge. The virus is spreading widely ...

The deadly H7N9 strain was detected on a poultry farm in Noxubee, Mississippi, last week, for the first time since 2017.

Previous exposures to older flu strains prime the immune system to produce antibodies against bird flu (H5N1).

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, may be the most ...

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 ...

2. No Changes to H1N1 or B/Victoria Lineage H1N1 strains (egg: A/Victoria/4897/2022; cell/recombinant: A/Wisconsin/67/2022) and B/Victoria lineage (B/Austria/1359417/2021) remain unchanged. Core ...