What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...

The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of ...

Global outbreak of Avian Influenza H5N1 in birds, spreading to cattle and humans, raising concerns for potential evolution ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

The first human death caused by H5N1 in the U.S. was reported in Louisiana on Jan. 6. Here's what to know about bird flu.

Mutations in one of the first human-isolated strains of H5N1 bird flu in the US were identified by the Texas Biomedical ...

The virus impacts milk production and poses significant risks to other bird species, particularly domestic poultry as well as ...

Researchers at Texas Biomed have identified nine mutations in a strain of bird flu found in a person in Texas. Bad news: This ...

Although the threat to the public remains low, the CDC says, the fatal case in Louisiana raises concerns about H5N1 in humans ...

H5N1 avian influenza continues to spread amid commercial and backyard poultry, and additional cases have been reported in domestic cats ...

H5N1 bird flu has resurged in Michigan, affecting poultry, cattle, and various wild animals across the state. The virus poses ...