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. 2016 Jun;22(6):1002–1007. doi: 10.3201/eid2206.152000

Figure 2.

Figure 2

Phylogenetic tree of the 5 dengue virus type 1 isolates obtained from dengue case-patients in southern Texas, 2013. Maximum clade credibility tree inferred from 90 envelope glycoprotein gene sequences: 5 from Texas in 2013 (solid circles), and 85 from GenBank. BEAST version 1.8.2 (http://beast.bio.ed.ac.uk/) was used with strict molecular clock constant population size and 10 million Markov chain Monte Carlo iterations; effective sample size >200. Posterior probabilities >0.50 are shown in major nodes. All sequences shown belong to the American-African genotype. Other genotypes were not included to increase resolution of the Central American lineage. Black tapered lines indicate condensation of a monophyletic lineage with a single common ancestor. Scale bar indicates nucleotide substitutions per site. MX, Mexico.