The person, who had been hospitalized in King County since early November, died on Nov. 21, health officials said.
Although bird flu infections in humans remain rare, this case marks a significant development in flu surveillance in the U.S.
The first human to have ever been infected with H5N5 strain of bird flu has died, Washington state health officials confirmed ...
A Washington resident died of complications from an infection with a bird flu strain never before reported in humans, the state Department of Health said on Friday.