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

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

New research shows it can harbor the infectious bird flu virus for months. "There is a risk of infection," lead study author ...

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

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

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 ...

The U.S. reported the first outbreak of the deadly H7N9 bird flu on a poultry farm since 2017, as the country continues to ...

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

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

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 — ...