Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

Officials suspect wild migrating birds are likely to blame for the first known infection of a flock in Hawaii, which had been the last state in the country with no reported cases in poultry or wild ...

The affected flock of various backyard birds was on property serviced by a wastewater treatment plant, where a recent HPAI ...

Or, for a true reality check, just scan the Department of Agriculture's frequently-updated map and tables naming the many animals that have tested positive for highly pathogenic avian influenza ...

Canada has had its first commercial poultry flock infected with the H5N2 serotype of highly pathogenic avian influenza (HPAI) ...