Further testing could confirm whether the patient, who has since recovered, actually had bird flu despite testing positive.

A panther, three lions and 47 tigers have died from bird flu in zoos in southern Vietnam, further raising concerns about the ...

Hospital workers reported respiratory symptoms after encountering a Missouri patient with H5N1 who had not been exposed to ...

Dozens of tigers have died in zoos in south Vietnam after a bird flu outbreak, according to state media. Three lions and a ...

Forty-seven tigers, three lions and a panther have died in zoos in south Vietnam due to the H5N1 bird flu virus, state media ...

Hungary and Italy have both reported an outbreak of the severe H5N1 avian influenza virus in the first such cases in the ...

Dozens of tigers and lions in captivity died in the past month in southern Vietnam with tests showing they were positive for ...

Chances are low that human-to-human spread of bird flu occurred in a group of people who were exposed to a patient infected ...

Missouri officials are under growing pressure from national public health experts to pinpoint the source of the state’s first ...

Two samples taken from dead tigers in Vietnam have tested positive for H5N1 bird flu virus, local media reported.

U.S. health officials have run into obstacles in their efforts to determine whether a Missouri person infected with H5N1 bird ...

The World Health Organization says there have been increasing reports of deadly outbreaks among mammals caused by influenza ...