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Volume 19, Number 5—May 2013

Dispatch

Scrub Typhus Outbreak, Northern Thailand, 2006–2007

Wuttikon Rodkvamtook, Jariyanart GayweeComments to Author , Suparat Kanjanavanit, Toon Ruangareerate, Allen L. Richards, Noppadon Sangjun, Pimmada Jeamwattanalert, and Narongrid Sirisopana
Author affiliations: Armed Forces Research Institute of Medical Science, Bangkok, Thailand (W. Rodkvamtook, J. Gaywee, T. Ruangareerate, N. Sangjun, P. Jeamwattanalort, N. Sirisopana); Nakhornping Hospital, Chiang Mai, Thailand (S. Kanjanavanit); Naval Medical Research Center, Silver Spring, Maryland, USA (A. L. Richards).

Main Article

Figure 2

Maximum parsimony phylogenetic tree of Orientia tsutsugamushi based on partial 56-kDa type-specific antigen gene sequences, demonstrating the relationships among O. tsutsugamushi isolates from Thailand and strains causing scrub typhus in humans in Ban Pongyeang, Thailand, and reference (ref) strains. The tree was midpoint rooted. Bootstrap values >50% are labeled over branches (1,000 replicates). Isolates from Thailand are in boldface. The tree was generated by using heuristic search with ran

Figure 2. . . Maximum parsimony phylogenetic tree of Orientia tsutsugamushi based on partial 56-kDa type-specific antigen gene sequences, demonstrating the relationships among O. tsutsugamushi isolates from Thailand and strains causing scrub typhus in humans in Ban Pongyeang, Thailand, and reference (ref) strains. The tree was midpoint rooted. Bootstrap values >50% are labeled over branches (1,000 replicates). Isolates from Thailand are in boldface. The tree was generated by using heuristic search with random stepwise addition (10 replicates). Scale bar indicates nucleotide substitutions per site.

Main Article

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