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

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

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 ...

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

The National Wastewater Surveillance System’s funding expires at the end of fiscal year 2025, just as bird flu heats up.

Health secretary RFK, Jr. has repeatedly suggested that farmers should let bird flu spread through flocks. Experts explain ...

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

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.

The most effective strategy against bird flu on chicken farms is prevention, writes former FDA Commissioner Scott Gottlieb — ...

Public officials said the H5N1 bird flu virus has been detected at four dairy farms in San Bernardino County. The risk of H5N1 infection remains “relatively low,” and no person-to-person ...