The virus struck more layer and other commercial poultry farms, as well as backyard flocks in multiple states.

Now four years later, a dozen eggs costs an average of nearly $5 in the U.S. because of the lingering bird flu, so Nevada passed a law the governor signed Thursday that will allow the state to suspend ...

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