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Samples were collected from wild birds in western Alaska to assess dispersal of influenza A viruses between East Asia and North America. Two isolates shared nearly identical nucleotide identity at eight genomic segments with H9N2 viruses isolated from China and South Korea providing evidence for intercontinental dispersal by migratory birds.
Empirical evidence supports wild birds as playing a role in the interhemispheric exchange of bacteria and viruses; however, data supporting the redistribution of parasites among continents are limited. In this study, the hypothesis that migratory birds contribute to the redistribution of parasites between continents was tested by sampling northern pintails… (More)
Mention of trade names or commercial products does not constitute endorsement or recommendation for their use by the United States government. iii ACKNOWLEDGEMENTS We wish to express gratitude to all of the people, named and unnamed, who contributed to this Research Plan. This document truly represents the collective work of several individuals. In… (More)