Since emerging in China in the mid-1990s, highly pathogenic avian influenza (H5N1) has spread worldwide. On Valentine's Day 2006, during an icy German ...

Strains of highly pathogenic avian influenza virus have been present in Pennsylvania’s wild birds since early 2022.

In 2026, a highly contagious strain of bird flu has killed more than 7.1 million Pennsylvanian birds, mostly in Lancaster County.

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

Bioengineered yeast could revolutionize avian flu vaccines with shelf-stable protection. Discover how this innovative ...

TODAY, GOVERNOR JOSH SHAPIRO, ALONG WITH LAWMAKERS, ARE PLANNING TO DISCUSS HOW THE STATE PLANS TO HELP FARMERS WHO ARE AFFECTED BY THE AVIAN FLU. WE’LL KEEP YOU UPDATED ON WHAT COMES OUT OF THAT ...

Parks officials in California have cancelled popular guided elephant seal tours for the remainder of the season and temporarily closed public viewing areas following a recent outbreak of bird flu ...

Dead birds have been washing up in Ohio waterways, and the state confirmed two reports of bird flu. More on symptoms and ...

WICOMICO COUNTY, MD – Maryland state officials say a commercial poultry farm in Wicomico County has tested presumptively ...

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 ...

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.

Avian flu is on the rise in Pennsylvania, but can it spread to pets? Here are symptoms to watch for.