A new report suggests that more Americans may be walking around with bird flu − and not even know it. Researchers from the Centers for Disease Control and Prevention randomly tested 150 veterinarians for H5N1, or bird flu, antibodies, which would indicate if they had a recent infection.

Scientists are sounding alarms about a genetic mutation that was recently identified in four dairy cow herds, nearly one year after H5N1 bird flu was first reported in Texas dairy cattle.

A case of highly pathogenic avian influenza was detected in a mixed species backyard flock in Dallas County, according to the Iowa Department of Agriculture and Land Stewardship. H5N1 strain of the bird flu has impacted more than 166 million birds in backyard and commercial poultry operations since 2022,