In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

The director of the Colorado Egg Producers doesn't expect prices to go up this week, but said the shortage is related to ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...

California accounts for the largest share of human bird flu cases in the country, with 37 confirmed infections. Washington has recorded 11 cases, and Colorado ... told the New York Times.

The CDC just confirmed the first case of severe bird flu in the U.S, and California just declared a state of emergency.

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

Keith Poulsen’s jaw dropped when farmers showed him images on their cellphones at the World Dairy Expo in Wisconsin in October. A livestock veterinarian at the University of Wisconsin-Madison ...

Washington, which has the second-largest share of cases, reported 11 human H5N1 infections among workers at a poultry farm in ...