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

Two new flock infections are confirmed after the virus was absent from poultry in the province since February.

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

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

Oregon confirms its first human bird flu case, the latest in dozens of cases in the U.S. this year. Experts discuss the ...

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 ...