Dairy cows in Nevada have been infected with a new form of bird flu that is distinct from the version that has been spreading through herds over the past year, the U.S. Department of Agriculture ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state agriculture officials confirmed Wednesday, and respiratory symptoms like ...

Scientists don’t know if infected cows become immune to H5N1 or can get re-infected, whether some infections might be asymptomatic, or how long diseased cows can spread the virus. (Adobe Stock) The ...

Scientists say that findings from a small experiment lend hope the outbreak among dairy cattle can potentially be contained. By Carl Zimmer Ever since scientists discovered influenza infecting ...

Footage obtained by Newsweek from a California veterinarian shows dead dairy cows infected with avian influenza piled by the roadside without any biosecurity measures or warning signs. The vet fears ...

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 of ...