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

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

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

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

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

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

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

The Pan American Health Organization (PAHO) reported that avian influenza A (H5N1) continues to circulate in the Americas, ...

Highly Pathogenic Avian Influenza (HPAI) has been confirmed in a commercial poultry flock in Shelby County, Texas; the first confirmed commercial case in the state this year.

Scientists warn the H5N1 bird flu virus is evolving rapidly and has been detected on six continents, with 18 human cases ...

Texas' first confirmed highly pathogenic avian influenza of the year was found in a Shelby County commercial poultry flock ...

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.