Avian influenza has reached the U.S. west coast’s marine mammal population. Young northern elephant seals located at Año Nuevo State Park have tested positive for H5N1, a deadly virus also known as ...

A terrifying outbreak of highly pathogenic avian influenza (HPAI) is ripping through California’s Bay Area, leaving a trail ...

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

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

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 ...

South Korea records 56 avian flu cases in 2026, with 7 new HPAI outbreaks since March. Latest H5N1 infection hits 45,000 laying hens. Learn containment measures.

A new strain that dominated the early winter was not well matched to the vaccine, leading to an intense early onslaught of flu.

A 45-year-old woman from far northwest Cambodia's Banteay Meanchey province had been confirmed positive for H5N1 human avian influenza.

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 ...

A news release on Wednesday says the two cases of avian influenza were confirmed as part of an ongoing monitoring program for the virus in wildlife in the N.W.T.

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