[agr.wa.gov] WASHINGTON - MORE BACKYARD FLOCKS TEST POSITIVE FOR BIRD FLU IN WASHINGTON
"The two most recent cases of highly pathogenic avian influenza (HPAI) H5N1 were discovered in non-commercial backyard flocks in Pierce County and confirmed yesterday, May 10, after the flock owners contacted the Washington State Department of Agriculture's (WSDA) sick bird hotline to report an unusual number of sudden deaths in their flocks."
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https://agr.wa.gov/about-wsda/news-and-media-relations/news-releases?article=35083