Additional Cases Of Bird Flu Reported In Washington

The Washington State Department of Agriculture confirmed highly pathogenic avian influenza in three additional domestic flocks: a first-time detection in Island County and second detections in Jefferson and Lewis counties.  That brings the total number of HPAI cases across the state to 13 this year, up from the seven reported in all of 2024.  The WSDA said the risk of bird flu remains elevated this time of year during fall migration.

Flock owners within six miles of both the Island and Jefferson detections fall under a surveillance zone.  Anyone shown within this surveillance zone is encouraged to self-report any sudden flock health changes using WSDA’s online reporting tool.

Backyard flocks continue to account for most domestic detections. Contact with wild birds or contaminated environments remains the primary pathway for infection, making strict daily biosecurity essential as migration peaks.  WSDA asks all bird owners to report sudden, unexplained death or illness in multiple birds in your flock or birds with clinical signs consistent with Avian Influenza.

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