PerspectiveInfectious Disease

How a virus travels the world

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Science  06 Feb 2015:
Vol. 347, Issue 6222, pp. 616-617
DOI: 10.1126/science.aaa6724

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In November and December 2014, highly pathogenic avian influenza (HPAI) viruses of the H5 subtype originating from China were detected in poultry and wild birds in various countries of Asia and Europe, and, for the first time, in North America. These incursions of newly emerging HPAI H5 viruses constitute a threat to animal and potentially human health and raise questions about the routes of transmission.