The H5N1 avian influenza virus—commonly known as bird flu—has been causing outbreaks in dairy cows in the United States since ...

Three state agencies remain on alert after a third presumptive case of avian influenza — or bird flu — was found in a wild ...

A new international study has found that the H5N1 avian flu virus is gradually becoming better adapted to infect cattle. This ...

Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become ...

When bird flu spilled over into dairy cattle last year, researchers discovered high concentrations of the H5N1 virus in the ...

Officials have detected highly pathogenic avian influenza (HPAI) H5N1 in a dairy cattle herd in Wisconsin, according to the ...

With Delaware’s waterfowl hunting season reopening this week, the Department of Natural Resources and Environmental Control is reminding hunters to take extra precautions following the confirmation of ...

A Koloa Maoli (Hawaiian duck) was found sick on Nov. 26 at the US Fish and Wildlife Service’s Hanalei National Wildlife ...

Researchers have warned that the disease can infect cow cells and tissues more effectively than older strains.

Scientists have detected H5N1 bird flu exposure in vampire bats, revealing a previously hidden wildlife pathway that could ...

New research reveals why bird flu poses such an unusual danger to humans: it can keep multiplying even at temperatures that normally shut viruses down.

Countries in the north and west of the region are bearing the brunt of the latest spread of highly pathogenic avian influenza ...