Medical experts advise that people should get a vaccine for the bird flu when it becomes commercially available. One doctor said the most at-risk patients should be first.

The Louisiana patient who contracted what officials said was the nation’s first “severe” case of avian influenza has died, ...

An infectious disease expert says the relatively mild cases of avian influenza detected so far among dairy workers don’t ...

America should have more aggressively intervened almost a year ago.