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  • Title: Orientia tsutsugamushi in eschars from scrub typhus patients.
    Author: Liu YX, Cao WC, Gao Y, Zhang JL, Yang ZQ, Zhao ZT, Foley JE.
    Journal: Emerg Infect Dis; 2006 Jul; 12(7):1109-12. PubMed ID: 16836828.
    Abstract:
    To verify the value of eschars for the diagnosis of scrub typhus and to characterize genotypes of Orientia tsutsugamushi in patients, we examined eschars and blood specimens of 7 patients from Shandong Province, People's Republic of China, for O. tsutsugamushi by polymerase chain reaction targeting the Sta56 gene. All 7 eschars and acute-phase blood samples were positive, while no specific DNA amplicons were obtained from the 7 convalescent-phase blood samples collected after antimicrobial drug therapy. The findings indicate that patients' eschars can be used for detection and genetic characterization of O. tsutsugamushi during the convalescent phase.
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