25 August 2023 / NOAA
Event

Highly Pathogenic Avian Influenza Found in Seals on Marrowstone Island in Puget Sound

Marrowstone, Washington, United States

Three adult harbor seals in Puget Sound have tested positive for the Highly Pathogenic Avian Influenza H5N1 strain, marking the first incidence of HPAI in marine mammals on the West Coast, and officials are urging beachgoers to avoid contact with wildlife.


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