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On February 25, 2025, two indoor-only, domestic cats in in King and Snohomish counties were tested and confirmed to be infected with H5N1 (HPAI). One died and one became severely ill after consuming commercially prepared raw pet food, Wild Coast Raw brand Boneless Free Range Chicken Formula. Preliminary results by the National Veterinary Services Laboratory (NVSL) indicate the virus is genotype B3.13 suggesting the infection was likely associated with ingestion of contaminated raw pet food and not from ingesting a wild bird.
Guidance for companion animal veterinarians can be found at the attached link:
Highly Pathogenic Avian Influenza in Cats (Guidance for Companion Animal Veterinarians)- Feb. 28, 2025
Distributable resource that can be shared with members of the general public:
HPAI in Cats- Flyer (Jan. 7, 2025)
Information and FAQs for submitting HPAI samples:
HPAI Testing Guidelines for Cats and Dogs
Lab Submission form:
WADDL Test Submission Form
Private veterinarians are encouraged to contact their regional field veterinarian at WSDA if they find signs consistent with HPAI and possible exposure through raw pet food or raw milk.
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