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Maximum clade credibility phylogeny constructed with the 59 CHIKV sequences collected in this study along with the four sequences obtained at the beginning of the outbreak and 48 sequences from other parts of the world. Taxon labels include accession number, isolation place, and year. The sequences collected in this study are shaded in grey. BPP values are shown for relevant nodes. The three clades identified in this study are magnified within bounded rectangles.
