Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists on high alert.

A bird flu variant linked to the death of a Louisiana resident has now been found in cattle in Nevada.

Avian influenza has been detected for the first time in a herd of dairy cattle in Wisconsin - the 18th state to report the disease in cows since 2023. The Wisconsin cases are likely tied to a 2023 ...

Researchers are beginning to step back and look at the bigger picture, examining how the virus affects cows not only in the ...

The US experienced its first known bird flu deaths this year, igniting concerns that the virus could set off a pandemic in people. Nevertheless, it still reined in the outbreak enough to warrant ...

One of six geese found dead in and around Heckscher Park in January is likely positive for highly pathogenic avian influenza ...