Iowa Egg Farm Hit by Bird Flu, 4.2M Chickens to Be Culled

Over 4 million chickens in Iowa are being culled after a highly pathogenic bird flu was detected at a large egg farm, adding to a yearslong outbreak that has now affected dairy cattle as well. The U.S. Department of Agriculture reports that 92.34 million birds have been killed since the outbreak began in 2022. While the risk to the public remains low, workers exposed to infected animals are at higher risk, with three human cases confirmed in the U.S.