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 has been the dominant grouping of strains fueling this past year's outbreaks in the U.S., with different variants of that virus spreading in wild birds, poultry flocks, dairy cattle ...

Whether it's ducks or chickens, since the current strain of bird flu, H5N1, reached the United States in 2022, over 148 million birds have been ordered euthanized. "It's a staggering number ...

The U.S. hasn’t been able to control the spread of the H5N1 bird flu. And now, there’s been a reported outbreak in the U.S. of another strain of avian influenza, H5N9. This H5N9 outbreak ...

Scientists also know a lot more about H5N1 bird flu than they did the SARS-CoV-2 virus, and the US has been preparing for the threat of a new flu outbreak for a long time. Still, the virus is ...

The more common H5N1 strain was also found at the same farm, which is located in Merced County, according to reports. Health agencies are conducting "comprehensive epidemiological investigations ...

An illness like this wouldn’t normally make headlines, but this child tested positive for a strain of bird flu, called H5N1, which infectious disease experts worry could fuel the next human ...

A child in California is presumed to have H5N1 bird flu, according to the San Francisco Department of Public Health (SFDPH). As of Dec. 23, there had been 36 confirmed human cases of bird flu in ...

After a year of rising bird flu cases among people in the United States, researchers are keeping a watchful eye on the H5N1 virus to slow further spread. Since early 2024, the country has recorded ...

At the center of the issue, fanning the on-going problem for poultry and dairy producers as well, is the Highly pathogenic H5N1 avian influenza A virus (HPAI H5N1). AgriTalk Host Chip Flory ...

Between 500 and 1,000 suspected cases of H5N1, also called avian flu, have been reported in Massachusetts birds. Sharing scientific data is important to track the outbreak. Just as Massachusetts ...