A chicken pokes it head out from its cage, with an inset image of a mutating virus inset. Bird flu, or avian influenza A(H5N1), was originally a virus transmissible among birds but has since ...

The mutations in the bird flu, or H5N1, viruses that caused severe infections in British Columbia and Louisiana both occurred in a protein on the surface of the virus that allows it to attach to ...

Bird flu continues to affect the availability and price of eggs as the disease hits farms and wipes out flocks. Last year, bird flu killed more than 40 million egg-laying birds.

"Flu virus infection of the respiratory tract can trigger an extreme inflammatory response in the body and can lead to sepsis, the body's life-threatening response to infection," the CDC says.

No human cases have been reported in New York, but the avian virus was very common among certain wild birds on Long Island in 2022 and 2023. ... The flu virus has also been found in mammals.

The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus, the U.S. Centers for Disease Control and Prevention (CDC) announced ...

Until we are able to stop the spread of bird flu, the administration should reinstate communication about the virus and allow efforts that could prevent a pandemic to be put back in place.

Raw cheese made with milk from dairy cattle infected with bird flu can harbor infectious virus for months and may be a risk to public health, according to a new study from researchers at Cornell ...

As the Centers for Disease Control and Prevention (CDC) explains, bird flu is a disease caused by the influenza A virus. At the same time, recent CDC data shows that seasonal influenza A is rising ...

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. Here's what to know.