An outbreak of fowl flu is spreading throughout farms in Pennsylvania.
The state Division of Agriculture says seven farms have been affected, all in Lancaster County.
Greater than 3.8 million birds have died to date, based on state knowledge.
Officers are warning industrial poultry farms and individuals who have chickens of their backyards to be on excessive alert.
Avian flu poses a low danger to people, however is nearly at all times lethal amongst birds. Chickens, geese, geese, and turkeys are amongst these most prone to the virus.