A lab professional conducts a test for highly pathogenic avian influenza. Since the start of the current bird flu global outbreak, 149 domestic cats in the U.S. have tested positive for bird flu. This is the first confirmed domestic cat case associated with exposure to an infected wild bird reported in Washington. Sporadic cases of bird flu continue in flocksWest Coast states continued to experience sporadic cases of avian influenza in flocks during January, according to USDA data. In that same time frame, Washington had two cases of avian influenza in backyard non-poultry flocks, in Yakima and Grant counties, affecting 40 birds total.