A ny time a person catches H5N1, or bird flu, their infection is a chance for the virus to mutate in the wrong direction.

In the nearly nine months since the first human case of bird flu was detected in the United States, the virus has continued ...

The first U.S. bird flu death has been reported. Louisiana health officials announced the death Monday of a person who had ...

The first person to have a severe case of H5N1 bird flu in the United States has died, according to the Louisiana Department ...

The patient, who was older than 65 and had underlying medical conditions, was hospitalized weeks ago in critical condition ...

The Louisiana Department of Health reported that a 65-year-old man who was hospitalized with the bird flu (highly pathogenic ...

A Louisiana resident infected by H5N1 bird flu has died, state authorities there reported Monday, marking the first U.S.

A Louisiana patient hospitalized in critical condition with severe bird flu has died, the state health department said Monday ...

The patient in Louisiana was older than 65 and was reported to have had underlying medical conditions, health officials said.

The Louisiana patient was hospitalized with a severe case of bird flu in the first death in the U.S. caused by the H5N1 virus ...

A U.S. patient hospitalized with H5N1 bird flu has died, the Louisiana Department of Health said on Monday, marking the ...