USA | First outbreak of rare bird flu strain reported at California poultry farm

Discovery of H5N9 came alongside detection of the more common H5N1 on the farm, leading to 119,000 birds’ deaths

Archived version: https://web.archive.org/web/20250127170520/https://www.theguardian.com/us-news/2025/jan/27/bird-flue-h5n9-california

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