For the first time, avian flu has been found in California’s marine mammals, and wildlife officials are working to contain its spread.

Seven elephant seals at Año Nuevo State Park tested positive for bird flu. About 30 seals have died in what officials call a ...

The outbreak marks the first cases of HPAI H5N1 in marine mammals in California and the first detection in northern elephant ...

"This is exceptionally rapid detection of an outbreak." ...

Due to an outbreak of avian influenza, the elephant seal viewing area and tours at Año Nuevo State Park will be closed for ...

The latest outbreak brings the total number of cases recorded in Lancaster County to nearly 6.1 million since the start of the year and 7.7 million statewide.

The outbreak marks the first cases of HPAI H5N1 in marine mammals in California and the first detection in northern elephant ...

This winter, avian influenza viruses have continued to circulate in wild birds across Pennsylvania, and more birds will be migrating to and through the state in the coming weeks. Strains of highly ...

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

Ever since a deadly strain of avian influenza, H5N1, killed some 17,000 southern elephant seal pups on South American coastlines in 2023 and 2024, researchers and public officials have kept an ...

Pennsylvania leads the nation in avian flu cases in the last 30 days, with more than 7.6 million cases reported.

As spring approaches, there appears to be no end in sight to outbreaks of highly pathogenic avian influenza in the region’s ...