Officials in Pennsylvania are continuing to warn residents about a bird flu outbreak as millions of birds have died across the state and as reports expand into southeastern counties.

This winter, avian influenza viruses have continued to circulate in wild birds across Pennsylvania, and more birds will be ...

In 2026, a highly contagious strain of bird flu has killed more than 7.1 million Pennsylvanian birds, mostly in Lancaster County. (Photo by Stephen Ausmus/Agricultural Research Service, USDA) As a ...

LANCASTER COUNTY, Pa. (WHTM) — A commercial egg layer in Lancaster County reported that 870,000 birds are affected by Avian ...

So far this year in Pennsylvania, 28 flocks have been affected.

The fight against highly pathogenic avian influenza, also known as bird flu or avian flu, is ramping up in Pennsylvania. Governor Josh Shapiro has expanded the state’s response by deploying more ...

Since the beginning of March, more than 1 million birds have been affected by outbreaks at three Lancaster County commercial farms, the USDA said.

LANCASTER, Pa. (WPVI) -- Pennsylvania Governor Josh Shapiro and Pennsylvania's Secretary of Agriculture visited Lancaster County on Tuesday, amid a highly contagious nationwide bird flu outbreak.

PENNSYLVANIA (WJAC) — State and national officials are warning Pennsylvanians to stay alert for signs of avian influenza as migrating birds return to the state, and the Pennsylvania Game Commission is ...

CHICAGO -- Bird flu has wiped out 7.4 million chickens in Pennsylvania in the past month, a swift and devastating loss that veterinarians and industry members suspect may be linked to an unusually ...

Um, there's *** lot that we know about this virus. I'm sure there's stuff out there we don't know yet, so we need more research on how to do it even better than what we're doing. But I think we need ...

From Philly and the Pa. suburbs to South Jersey and Delaware, what would you like WHYY News to cover? Let us know! Pennsylvania officials addressed growing concerns about avian flu, as the U.S.