First Human H5N5 Bird Flu Case Detected in Washington State Amid Ongoing Avian Influenza Surveillance

First Human H5N5 Bird Flu Case Detected in Washington State Amid Ongoing Avian Influenza Surveillance

Published: November 17, 2025

Duration: 3:49

This is the Bird Flu Bulletin: Daily H5N1 Update for Monday, November 17th, 2025.

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First, a new human bird flu case involving the H5N5 strain has been confirmed in Washington State. The Washington Department of Health reported that an older adult from Grays Harbor County, who kept domestic poultry exposed to wild birds, is now hospitalized with H5N5 infection. This is the first time H5N5, a bird flu subtype, has been detected in a human in the United States. Health officials emphasize that the risk to the public remains low and...