More than 156 million chickens, ducks, turkeys and other fowl have been slaughtered across the United States since the outbreak began in January 2022. One person has been killed.

Latest data shows which counties have been hardest hit by bird flu outbreaks among poultry flocks as the human case count climbs.

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

A map published by the CDC shows that 32 states and Washington, D.C., have “very high” levels of flu, while 11 states are ...

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

The humble egg is now a source of frustration for millions of shoppers around the U.S, who face soaring prices and shortages.

H5N1 is a shapeshifter, so to speak, due to its segmented DNA, Michael explains. “For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two ...

Bird flu appeared in a Texas dairy farm in March 2024. Havoc has followed on farms and in grocery stores and concerns mount for human health.

Though there are many kinds of bird flu, one especially contagious strain called highly pathogenic avian influenza (HPAI) A(H5N1) has led to poultry outbreaks in all 50 states. The strain has also ...