Highly pathogenic avian influenza has hit South Dakota hard this month, infecting about 420,000 birds, according to the Agriculture Department's Animal and Plant Health Inspection Service. The HPAI ...

The first tastes of wintry weather have brought an ominous feeling back to Sonoma County’s poultry producers. At least three farms have tested positive for Highly Pathogenic Avian Flu, or HPAI, in the ...

South Dakota is the current epicenter of the nation's avian influenza outbreak, with nearly 420,000 turkeys killed. Blue-winged teal, an early migrating duck species, have been identified as carriers ...

Moderna has interim data it says support advancing its avian influenza vaccine into a late-stage clinical trial, but the U.S. government has canceled the federal contract that would have financed it, ...

It's become more popular in the last few years for people who don't farm to keep flocks of chickens in their back yards; many put up signs to sell any extra eggs. But avian flu has sickened birds in ...