Volume 17, Number 10—October 2011
Letter
Dengue Virus Serotype 4, Roraima State, Brazil
Figure
Figure. Phylogenetic tree demonstrating the 2 clusters of dengue virus serotype 4 correctly associated with corresponding genotypes: genotype II, American strains, including strains isolated in Roraima in 2010; and genotype I, 2 Asian strains. Boldface indicates strains isolated in Roraima. Scale bar indicates 1% nucleotide sequence divergence.
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