Avian Influenza: USDA Confirms HPAI in Pennsylvania Commercial Layer Flock
On April 16, 2022, the U.S. Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) confirmed highly pathogenic avian influenza (HPAI) in a commercial layer premise in East Donegal Township, Lancaster County, Pennsylvania.  The positive sample was taken on April 14, 2022, at…