An avian flu outbreak at California's Año Nuevo State Park is spreading across the Central Coast, infecting elephant seals, a ...

For the first time, confirmation of the deadly H5N1 virus has been detected in California's elephant seal population.

Scientists estimate more than 60 marine mammals may have been infected by the virus.

Researchers are on high alert monitoring the local Piedras Blancas elephant seal rookery - though there is good news.

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 ...

Multiple elephant seal pups along the Northern California coast have tested positive for the deadly avian influenza, or bird ...

Experts are closely monitoring the marine animals, flagging mortalities and advising beach visitors to take extra precautions ...

After a catastrophic outbreak of bird flu devastated southern elephant seal populations in 2023, scientists are on high alert.

The cluster of infections appears confined to an area of San Mateo County, and no cases have been detected at Point Reyes National Seashore.

Researchers say seven seal pups have tested positive for an avian flu virus at California’s Año Nuevo State Park and several more are showing signs of the illness. The outbreak has prompted park ...

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 ...

Once norovirus is circulating, it can quickly become an outbreak.