Highly pathogenic avian influenza confirmed in Missouri poultry flock

Federal officials have confirmed highly pathogenic avian influenza in a chicken flock in Webster County, Mo. The U.S. Department of Agriculture’s National Veterinary Services Laboratory (NVSL) confirmed the presence of highly pathogenic influenza (HPAI) in the chicken layer flock. Samples were delivered to the NVSL in Iowa for testing after a sudden increase in mortality in the flock.