Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and ...

A new survey conducted by the Centers for Disease Control and Prevention has revealed that highly pathogenic avian influenza ...

Delays in urgent CDC analyses of seasonal flu and bird flu, and the agency’s silence, will harm Americans as outbreaks ...

Avian influenza (H5N1) has been spreading in the United States among dairy cows since last year. View on euronews ...