Molecular changes associated with the tr
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M. Shaw; L. Cooper; X. Xu; W. Thompson; S. Krauss; Y. Guan; N. Zhou; A. Klimov;
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Article
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2001
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John Wiley and Sons
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English
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## Abstract In order to identify molecular changes associated with the transmission of avian influenza A H5N1 and H9N2 viruses to humans, the internal genes from these viruses were compared to sequences from other avian and human influenza A isolates. Phylogenetically, each of the internal genes of