The United States has reported its first outbreak of H5N9 bird flu on a duck farm in California, according to the World ...

Health officials urged people to identify avian flu symptoms early and properly cook chicken and eggs to limit risk of infections.

Since March, 66 confirmed bird flu infections have been reported in the U.S., but previous illnesses have been mild and most have been detected among farmworkers exposed to sick poultry or dairy ...

They also said a genetic analysis had suggested the bird flu virus had mutated inside the patient, which could have led to the more severe illness. Since March, 66 confirmed bird flu infections ...

The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, Reuters reported, ...

They also said a genetic analysis had suggested the bird flu virus had mutated inside the patient, which could have led to the more severe illness. They have disclosed few other details about the ...

The first U.S. bird flu death has been reported — a person in Louisiana who had been hospitalized with severe respiratory symptoms. Louisiana health officials announced the death on Monday.

"While tragic, a death from H5N1 bird flu in the United States is not unexpected because of the known potential for infection with these viruses to cause severe illness and death," the Centers for ...