The Louisiana patient who contracted what officials said was the nation’s first “severe” case of avian influenza has died, ...

The patient, who had underlying medical conditions, was exposed to the virus through a backyard flock and wild birds. As Iowa records its first H5N1 case in a domestic flock this year, officials warn ...

There have been 18 cases of people testing positive for the avian illness in Tulare County. That is not surprising, given that the virus causing bird flu has spread to dairy cattl ...