Avian influenza, or “bird flu,” is a disease caused by influenza A viruses that spread widely among wild birds, and can cause outbreaks in commercial and backyard poultry flocks. Though there ...

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens, ducks, turkeys and other fowl have been slaughtered across the United ...

since emerging in 2020 in Europe, the current bird flu strain, H5N1, has been declared the largest avian flu epidemic ever on that continent and has spread to Africa, the Middle East and Asia.