Health officials are alarmed by a mutated H5N1 bird flu virus in a Louisiana patient, raising concerns about potential human ...

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

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

The virus has spread among dairy cattle, humans and other mammals. But officials say the current public health risk is low.

As we enter 2025, Dr. Theresa Tam has her eye on H5N1 bird flu, an emerging virus that had its first human case in Canada ...

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

The CDC warns samples of the bird flu virus show signs of mutations that could make it more transmissible to humans. The CDC ...

The U.S. hasn’t learned lessons from the COVID-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 ...

Growing concerns surrounding the transmission of H5N1 bird flu. The CDC reports that samples collected from a severely ill ...

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

Genetic analysis suggests the bird flu virus has the capacity to mutate in ways that could make it more transmissible to ...

The genetic analysis of the H5N1 avian flu virus in specimens from the nation's first severely ill hospitalized patient in ...