The person, who had been hospitalized in King County since early November, died on Nov. 21, health officials said.

The man, an older adult with underlying health conditions, was being treated for a type of bird flu called H5N5.

It’s crucial that we monitor bird flu strains to help us prepare for potential outbreaks," said virologist Matt Turnbull.

The first human to have ever been infected with H5N5 strain of bird flu has died, Washington state health officials confirmed ...

Health officials in Washington state report a resident has contracted bird flu, marking the first U.S. human case since ...

A Washington resident died of complications from an infection with a bird flu strain never before reported in humans, the ...

After a Western Washington resident became the first human to contract a rare form of avian flu, you may be wondering if ...

Bird flu hasn’t gone anywhere, and it’s still sickening Americans. Health officials in Washington have confirmed that a ...

Although bird flu infections in humans remain rare, this case marks a significant development in flu surveillance in the U.S.

A rare bird flu virus has claimed the life of a Washington state resident, making it the first known human case of this ...

A person in Washington is presumed infected with bird flu virus. Health officials in the state do not know the source.

Health officials in Washington state say they have identified the nation’s first human case of bird flu since February, ...