Vietnam notified the WHO about a human fatality from the virus in March. In 2004, dozens of tigers died from bird flu or were culled at the world's largest breeding farm in Thailand.

New research uses bird droppings to track avian flu in remote regions, revealing hidden hotspots and potential for early ...

Bird flu isn't as silent as we think — experts caution the pandemic threat is still growing It's been months since a major update in H5N1 news, but that doesn't mean the virus has disappeared ...

Both swine and avian influenza are strains of influenza A. Just as swine flu strains tend to infect pigs, avian flu strains ...

Forty-seven tigers, three lions and a panther have died in zoos in south Vietnam due to the H5N1 bird flu virus, state media reported on Wednesday. Fox News Media Fox Business ...

Vietnam notified the WHO about a human fatality from the virus in March. In 2004, dozens of tigers died from bird flu or were culled at the world's largest breeding farm in Thailand.