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 ...

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

Virologists across the globe are raising alarms over the spread of the H5N1 virus. What to know.

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

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 ...

The H5N1 bird flu, spreading across all 50 U.S. states, raises concerns about a potential pandemic. The virus has impacted dairy farms, poultry flocks, and humans, with one confirmed human death in ...

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.

In the past 30 days, 51 US flocks have been confirmed to have avian flu, including 23 commercial flocks and 28 backyard flocks. A total of 8.97 million birds nationwide have been affected. Scroll down ...

Experts warn about the possibility of a new pandemic in 2025 as the H5N1 bird flu virus spreads across all 50 states, impacting US dairy farms and leading to human infections. Here's what to know.

Scientists recently confirmed that a variation of the avian influenza virus is responsible for sea bird deaths in Antarctica.