The big cat outbreak is the latest worrying instance of widespread bird flu transmission to mammals. Bird flu appears to have ...

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

Two million Australian chickens have already been killed in the nation's bird flu outbreak — and that's before the deadliest ...

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

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

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

While it's commonly called "bird flu", H5N1 infections in mammals, including humans, have also been documented.

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

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

Dozens of tigers and lions in captivity died last month in southern Vietnam, and tests showed they were positive for bird flu ...