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Volume 22, Number 5—May 2016
Dispatch

Molecular Characterization of Chikungunya Virus, Philippines, 2011–2013

Ava Kristy Sy1, Mariko Saito-Obata1, Inez Andrea Medado, Kentaro Tohma, Clyde Dapat, Edelwisa Segubre-Mercado, Amado Tandoc, Socorro Lupisan, and Hitoshi OshitaniComments to Author 
Author affiliations: Research Institute for Tropical Medicine, Muntinlupa City, Philippines (A.K. Sy, I.A. Medado, E. Segubre-Mercado, A. Tandoc III, S. Lupisan); Tohoku University Graduate School of Medicine, Sendai, Japan (M. Saito-Obata, K. Tohma, C. Dapat, H. Oshitani); Tohoku–Research Institute for Tropical Medicine Collaborating Research Center on Emerging and Reemerging Infectious Diseases, Muntinlupa City (M. Saito-Obata, C. Dapat, H. Oshitani)

Main Article

Figure 1

Phylogenetic analysis of partial (733 nt) E1 gene of 31 CHIKVs detected in the Philippines in this study during 2011–2013 compared with 77 global strains. The tree was constructed using maximum-likelihood method with the Kimura 2-parameter model and 1,000 bootstrap replications. Bootstrap values >50% are indicated on the branches of the tree. Black circles indicate Asian genotypes; open circles indicate ECSA genotypes analyzed in this study; triangles indicate reference strains collected in t

Figure 1. Phylogenetic analysis of partial (733 nt) E1 gene of 31 CHIKVs detected in the Philippines in this study during 2011–2013 compared with 77 global strains. The tree was constructed using maximum-likelihood method with the Kimura 2-parameter model and 1,000 bootstrap replications. Bootstrap values >50% are indicated on the branches of the tree. Black circles indicate Asian genotypes; open circles indicate ECSA genotypes analyzed in this study; triangles indicate reference strains collected in the Philippines. CHIKV, chikungunya virus; ECSA, East/Central/South African, WA, West African. Scale bar indicates nucleotide substitutions per site.

Main Article

1These authors contributed equally to this article.

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Page updated: April 13, 2016
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