New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

The U.S. Centers for Disease Control and Prevention (CDC) announced the end of the bird flu emergency, at least for now.

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It's a sign that ...

HHS Secretary Robert F. Kennedy Jr. and Secretary of Agriculture Brooke Rollins have expressed interest in letting H5N1 ...

Amidst an ongoing outbreak of a deadly bird flu virus in livestock, the US Department of Agriculture is doing more to prevent ...

Bird Flu coverage from Scientific American, featuring news and articles about advances in the field. Skip to main content. Scientific American. Bird Flu. Bird Flu June 27, 2025.

Bird flu outbreaks have forced tens of millions of chickens to be culled across nine states over the past year as more hotspots continue to emerge. So far, the Department of Agriculture has ...

Even though the 2024-2025 migratory bird season is winding down, concerns about highly pathogenic avian influenza — commonly known as bird flu — remain. The public is paying attention. Consumers are ...

That makes the arrival of bird flu on a dairy farm a slow-motion disaster. The incentives for farmers to cooperate remain dismal. Research by experts at Cornell University suggests bird flu can ...

The H5N1 bird flu has been spreading widely among wild birds, poultry and other animals around the world for several years, and starting early last year became a problem in people and cows in the U.S.

The U.S. Centers for Disease Control and Prevention said on Monday it has ended its emergency response for H5N1 bird flu, ...