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. 2011 Feb 14;8:68. doi: 10.1186/1743-422X-8-68

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Copyright ©2011 Liu et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Phylogenetic analysis based on the full coding sequences of Chaoyang Virus (CV) together with arthropod-borne flaviviruses and flaviviruses with not known vectors. Phylogenetic analyses were performed by the neighbor-joining method with MEGA software http://www.megasoftware.net/. Bootstrap probabilities of each node were calculated with 1,000 replicates. Scale bars indicate a genetic distance of 0.05-nt substitutions per site. Note that the Chinese CV strains designated by boldface type in red are clustered in the mosquito-borne group and have been separated into an independent evolutionary clade.