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. 2019 Sep;25(9):1719–1722. doi: 10.3201/eid2509.171421

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This is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.

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Phylogenetic analysis of Rickettsia species from febrile patients treated at The People’s Liberation Army 990 Hospital for Rickettsia japonica infection, Xinyang, China, March 2014–June 2017 (bold), and reference species. Tree was constructed on the basis of the outer member protein A nucleotide (311-bp) gene sequence. We used the maximum-likelihood method with the best substitution model (Tamura 3-parameter plus gamma) and MEGA version 5.0 (http://www.megasoftware.net). We applied a bootstrap analysis of 1,000 replicates to assess the reliability of the reconstructed phylogenies. GenBank accession numbers are provided. Scale bar indicates estimated evolutionary distance.