Two weeks after scientists confirmed the first-ever outbreak of avian influenza, or bird flu, in elephant seals along the California coast, the disease has spread to other marine mammals, researchers ...

After H5N1 bird flu was detected in elephant seals gathered at Año Nuevo State Park, other marine mammals have also succumbed, including a sea otter and sea lion. So far, only animals in San Mateo ...

"We are starting to see some carcasses on public beaches." ...

The first seven cases of avian influenza were confirmed by preliminary testing at UC Davis and confirmatory testing by the ...

In 2026, bird flu has already been detected in six backyard flocks in Iowa. Four of those were confirmed across the span of ...

Wisconsin's fourth largest egg producer, Daybreak Foods, faces two more bird flu outbreaks in less than 2 weeks, impacting millions of hens.

WILDLIFE AUTHORITIES CONFIRMED Thursday that nine more elephant seals, a sea lion and an otter have died from bird flu at Año Nuevo State Park in San Mateo County. That brings the total number of ...

The Jefferson County Health Department announced that it has created an online resource to share updated information regarding the avian influenza outbreaks in Jefferson County.

According to the governor's office, more than half of all avian flu cases in the United States are in Pennsylvania.

The San Juan Islands experienced an outbreak of highly pathogenic avian flu (H5N1) from mid-November to mid-January. It probably began in the lower San Juan Channel, between Cape San Juan and Davis ...

Officials in Pennsylvania are continuing to warn residents about a bird flu outbreak as millions of birds have died across the state and as reports expand into southeastern counties.

As more outbreaks of HPAI are confirmed in South Korea’s poultry flocks, further cases in domestic and wild birds are also reported widely across Asia.