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. 2016 Apr;94(4):800-3.
doi: 10.4269/ajtmh.15-0375. Epub 2016 Feb 8.

Phylogenetic Analysis of Chikungunya Virus Strains Circulating in the Western Hemisphere

Robert S Lanciotti  1 , Amy J Lambert  2
Affiliations

Phylogenetic Analysis of Chikungunya Virus Strains Circulating in the Western Hemisphere

Robert S Lanciotti et al. Am J Trop Med Hyg. 2016 Apr.

Abstract

In December 2013, chikungunya virus (CHIKV) was isolated for the first time in the Western Hemisphere (WH) during an epidemic on the island of St. Martin. Subsequently, the virus has spread to 42 countries or territories in the Caribbean, Central, South, and North America. In this study, we have determined the full genomic sequences of 29 temporally and geographically diverse CHIKV strains from 16 countries of the WH. Phylogenetic analyses revealed minimal evolution among compared emergent CHIKV strains of the New World.

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Figures

Figure 1.
Figure 1.
Phylogeny of chikungunya virus strains. The evolutionary history was inferred by using the maximum likelihood method. The tree with the highest log likelihood is shown. The percentage of trees in which the associated taxa clustered together is shown next to the branches. The tree is drawn to scale, with branch lengths measured in the number of substitutions per site.
See this image and copyright information in PMC

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