More than 100 federal scientists who track bird flu, including vaccine and food safety experts, have been laid off. This ...

Bird flu infections have been rare among people, but the pathogen is evolving, which has scientists worried about a possible ...

Since the current bird flu outbreak began, more than 168 million birds have been slaughtered, most of them egg-laying chickens. Any time a bird gets sick, the entire flock is killed to help keep ...

Before the outbreak, the flock typically numbered more than 315 million. Since the current bird flu outbreak began, more than 168 million birds have been slaughtered, most of them egg-laying chickens.

Before the outbreak, the flock typically numbered more than 315 million. Since the current bird flu outbreak began, more than 168 million birds have been slaughtered, most of them egg-laying chickens.