Introduction of Eurasian-Origin Influenza A(H8N4) Virus into North America by Migratory Birds.

Andrew M Ramey,Andrew B Reeves,Tyrone Donnelly,Rebecca L Poulson,David E Stallknecht

EMERGING INFECTIOUS DISEASES（2018）

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摘要

We identified a Eurasian-origin influenza A(H8N4) virus in North America by sampling wild birds in western Alaska, USA. Evidence for repeated introductions of influenza A viruses into North America by migratory birds suggests that intercontinental dispersal might not be exceedingly rare and that our understanding of viral establishment is incomplete.

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Alaska,H8N4,North America,USA,United States,influenza,influenza A(H8N4),introduction,migratory birds,virus,viruses,wild birds

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