Dairy cows in Nevada have been infected with a second version of the avian influenza virus that is different from the one rampaging through herds since the spring, Agriculture Department officials ...

The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird flu traced to cattle have been mild, mostly eye infections.

The disclosure that dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, has put virologists and researchers on high alert. Among other things ...

A new version of the virus is widespread in wild birds but had not previously been detected in cows. By Emily Anthes and Apoorva Mandavilli Dairy cows in Nevada have been infected with a new form ...

This is the first time it has been found in dairy cattle, meaning these cows caught it from wild birds, instead of another infected herd. This is the second known instance of a type of avian flu ...

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to help the virus copy itself in mammals — including humans — more ...

The Centers for Disease Control and Prevention says that 40 out of the 67 confirmed human bird flu cases since 2024 have been linked to exposure to dairy cows sick with the virus. Most of the ...

A December study published in the journal Science found that the virus strain found in dairy cows in the U.S. may only need a single mutation for it to be able to spread among humans, the American ...