The H5N1 viruses are currently circulating among wild birds in the U.S., with ... significant avian influenza outbreaks to Hawaii. For imported cattle, HDOA already requires certificates of ...

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 ...

The infections in cattle are from the same subtype of bird flu that has been infecting wild birds and poultry flocks globally for more than two years, also killing several mammal species that ...