Confronting a bird flu outbreak in nature presents unique challenges, as infected animals leave a landscape contaminated, Pa.'s Game Commission veterinarian says.

Worries about the bird flu have prompted ZooAmerica in Hershey to make some changes. It's temporarily relocating its bird population to avoid contact with wild birds that may be infected with highly pathogenic avian influenza (HPAI).

Officials said the positive samples were found in a 50,000-bird layer chicken flock on a commercial poultry farm in Lehigh County.

(WHTM) — The first case of Avian influenza in domestic poultry on a farm has been detected, sending the farm under quarantine, the Pennsylvania Department of Agriculture confirmed Monday.

The Pennsylvania Department of Agriculture today confirmed the first positive case of Highly Pathogenic Avian Influenza (HPAI) in domestic poultry in Pennsylvania in 2025, in a 50,000-bird layer chicken flock on a commercial poultry farm in Lehigh County. ​

State and federal agencies are at the farm “carrying out a comprehensive response plan” to prevent the virus from spreading.

Rose Acre Farms, the nation's second largest egg producer, said yesterday that tests have confirmed avian flu at its facility in Seymour, Indiana, which could further stretch the supply of eggs as commercial farms in several states continue to battle the spread of the H5N1 virus.

A resurgence of the avian bird flu recently killed an estimated 5,000 snow geese in Northampton County in eastern. The highly pathogenic avian influenza is impacting more

Highly pathogenic' avian influenza can pose a dire risk to wild birds, as the North Fort Myers eagle nest shows, but most humans needn't worry about catching it.

Bird flu is now believed to be widespread in Massachusetts and is likely present even in places where there has not been a confirmed positive, state environmental and health officials said Wednesday.

ZooAmerica in Hershey announced it is moving its bird population to roofed enclosures and other covered outdoor areas to address the recent rise in avian influenza in