The highly pathogenic avian influenza, also known as H5N1 bird flu, was confirmed in the flock of 24 birds in Franklin County after samples taken on Dec. 19 were tested by laboratory in Iowa, the ...

The presence of highly pathogenic avian influenza, or H5N1 bird flu, has been confirmed after officials worked to quarantine ...

Genetic analysis of H5N1 bird flu viruses from a severely ill patient in Louisiana revealed multiple mutations that may ...

When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

Mississippi has confirmed H5N1 in a poultry flock. The birds are not part of food supply chain. What you need to know about ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

A genetic analysis of the H5N1 bird flu in a Louisiana patient reveals potential mutations for human transmissibility, says ...

Genetic sequences of H5N1 bird flu viruses collected from a person in Louisiana who became severely ill show signs of development of several mutations thought to affect the virus’ ability to ...

Felines of all varieties tend to explore and hunt smaller prey, such as birds and mice, which can carry bird flu.

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase ...

(CNN) — A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe ...

Tiny genetic alterations could help the bird flu virus enter cells in the upper respiratory tract, the C.D.C. said. But there ...