Employees at Galeton Dairy hook up cattle to the milking system at a dairy plant in Eaton, Colorado, on Oct. 7, 2011. RJ Sangosti/The Denver Post via Getty Images ...

California Gov. Gavin Newsom declared a state of emergency in response to bird flu that's spreading among the state's dairy cows. The virus has already caused the deaths of more than 120 million ...

NEW YORK (AP) — A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading in U.S. herds since last year, federal health ...

A new variant of the bird flu has infected a dairy worker in Nevada, marking the state's first human case of the H5N1 avian influenza. The worker was exposed to the D1.1 strain after working with ...