An H5N1 bird flu mutation associated with increased infectiousness and disease severity has been found in two cats. Since the beginning of this year, more than 50 cats have been infected with H5N1 ...

A new strain of bird flu (highly pathogenic avian influenza, or HPAI) has been detected on a duck farm in California. The World Organisation for Animal Health (WOAH) reported the outbreak of the new ...

In early December 2024, a group of researchers published an article in the journal Science, entitled “A single mutation in bovine influenza H5N1 hemagglutinin switches specificity to human receptors”.

H5N1 bird flu samples collected from a severely ill patient in Louisiana show signs of mutations that may make the virus more transmissible to humans, the Centers for Disease Control and Prevention ...

Bird flu viruses can replicate at temperatures higher than a typical fever -- one of the body's ways of stopping viruses in their tracks --, increasing the threat to humans, according to new research.

Avian influenza has been rampaging in wild birds around the world since late 2021. It can now be considered widespread in many types of wild birds, and has also spread to many other species including ...

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the ...

Millions of birds in U.S. poultry farms and some cattle herds have been affected, but the overall risk to humans remains low. Still, a number of human cases have been documented as a new CDC report ...

WASHINGTON — Genetic tests of samples taken from Turkish victims of the bird-flu virus show it has made a small change but probably not enough to make it more dangerous yet, researchers said Thursday.

Bird flu continues to infect animals and humans in the United States, with symptoms that some may struggle to discern from human influenza. Scientists have already identified that the virus mutated ...

Willow, the Biden family's new pet cat, wanders around the White House on Wednesday, Jan. 27, 2022 in Washington. Since the beginning of this year, more than 50 cats have been infected with H5N1 bird ...