Although the avian flu (H5N1) virus may not be making the news as frequently, it is still working hard behind the scenes, ...

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 it is streamlining its H5N1 highly pathogenic avian ...

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

Purdue University researchers now have developed an innovative, paper-based diagnostic test for rapidly detecting avian ...

The CDC has labeled the threat from avian flu as low, as no human-to-human transmission of the virus has been detected yet. Still, the trajectory and spread of this virus have not slowed down.

CNN Editorial Research (CNN) — Here’s a look at avian flu. Avian influenza, also called avian flu or bird flu, is an illness that usually affects only birds. There are many different strains ...

The strain of bird flu that infected a Michigan dairy worker in May 2024 is capable of airborne transmission, according to new research from the CDC.

More information: Jing Yang et al, Genetic diversity of H9N2 avian influenza viruses in poultry across China and implications for zoonotic transmission, Nature Microbiology (2025).

Ostriches on a British Columbia farm have died of the avian flu. Canada ordered hundreds of others to be culled. But two top Trump administration officials have objected.

The Gs/Gd lineage of highly pathogenic H5 avian influenza viruses—including H5N1—has rapidly evolved, spreading globally and infecting a growing range of birds, mammals, and occasionally ...

Last year, Hensley’s team showed that their vaccine protects against avian flu in ferrets, a commonly used laboratory model for testing flu vaccines.