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

Fears the world is heading towards another pandemic are growing, as new data shows the spread of the deadly bird flu virus ...

Atlanta? Some U.S. hospitals already are struggling to deal with the current flu outbreak. But that is nothing compared to what would happen if a powerful new flu strain exploded into a worldwide ...

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.