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

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

An avian flu outbreak, which killed several elephant seals at California’s Año Nuevo State Park last month, has spread to ...

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well. It had one of its worst effectiveness rates in more than a decade.

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

In a new study, researchers across three US states analyzed seven viral outbreaks in recent decades, including Covid, Ebola ...

Over the weekend, health officials in Spain reportedly informed the World Health Organization (WHO) of a possible human case ...

Spanish authorities have warned the World Health Organisation that the person may have contracted the virus from a human ...

The European Centre for Disease Prevention and Control has issued an alert after a case of swine flu was detected in a human ...

A swine flu case in Spain with no pig exposure has raised questions about how the virus spread and triggered international health monitoring.