A highly pathogenic strain of avian influenza has been detected in a backyard flock in Anne Arundel County, prompting state officials to quarantine the affected premises and depopulate the birds to prevent the disease from spreading,

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,

No new human cases of avian influenza have been reported, and poultry infections are low so far in March. But infections in cats are continuing, and new research is raising concerns about the virus

A new H5N1 bird flu mutation has appeared in a cluster of infected dairy cows. It's a genetic change that scientists say could not only make the virus more lethal, but increase its spread between mammals and possibly humans.