high rates of detection of clade highly pathogenic avian influenza h5 viruses in wild birds in the pacific northwest during the winter of 2014, clade h5n8 highly pathogenic avian influenza (hpai) viruses spread across the republic of korea and ultimately were reported in china, japan, russia, and europe. mortality associated with a reassortant hpai h5n2 virus was detected in poultry farms in western canada at the end of november. the same strain (with identical genetic structure) was then detected in free-living wild birds that had died prior to december 8, 2014, of unrelated causes in whatcom county, washington, u. s. ...201627309079
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