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 ...

Virologists across the globe are raising alarms over the spread of the H5N1 avian flu virus, which is now infecting not just birds, but cattle and humans. While the U.S. Centers for Disease Control ...

Wildlife authorities confirmed Thursday that nine more elephant seals, a sea lion and an otter have died from bird flu at Ano ...

Two weeks after scientists confirmed the first-ever outbreak of avian influenza, or bird flu, in elephant seals along the ...

Experts are closely monitoring the marine animals, flagging mortalities and advising beach visitors to take extra precautions. Meanwhile, a Sonoma County poultry facility was struck by bird flu in ...

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

Wildlife authorities confirmed Thursday that nine more elephant seals, a sea lion and an otter have died from bird flu at Ano Nuevo State Park in San Mateo County.

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

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

"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 ...