The U.S. reported the first outbreak of the deadly H7N9 bird flu on a poultry farm since 2017, as the country continues to grapple with another strain.

Mississippi state and federal officials have confirmed an outbreak of a strain of bird flu not reported in the U.S. since 2017, with quarantine and depopulation efforts already underway.

The cluster of infections appears confined to an area of San Mateo County, and no cases have been detected at Point Reyes National Seashore.

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

FROM LANCASTER COUNTY WITH THE LATEST IN THAT STORY. MEREDITH, WE’RE LIVE HERE NEAR A FARM IN PENN TOWNSHIP, LANCASTER COUNTY, WHERE THERE’S BEEN A LOT OF ACTIVITY TODAY. SECRETARY REDDING SAID AVIAN ...

Two Indiana counties saw their first outbreaks of a relatively long-lasting strain of avian influenza, or bird flu, last week. A Sullivan County turkey farm reported an outbreak around Feb. 14, and ...

Pennsylvania Gov. Josh Shapiro met with farmers and state agriculture officials in Lancaster County Tuesday to discuss concerns about rising bird flu cases in the state. Since the start of 2026, more ...

Wildlife authorities confirmed Thursday that nine more elephant seals, a sea lion and an otter have died from bird flu at Ano ...

Researchers say seven seal pups have tested positive for an avian flu virus at California’s Año Nuevo State Park and several more are showing signs of the illness. The outbreak has prompted park ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DES MOINES, Iowa (AP) — An infectious and ...