Genotype diversity and distribution of Orientia tsutsugamushi causing scrub typhus in Thailand.

Scrub typhus, caused by antigenically disparate isolates of Orientia tsutsugamushi, is a widely distributed mite-borne human disease in the Asia Pacific region. Information regarding the heterogeneity of the immunodominant 56-kDa type-specific antigen (TSA) gene is crucial for the design and evaluation of scrub typhus-specific diagnostic assays and vaccines. Using indirect immunofluorescence assays (IFA) and PCR assays, O.

Description of the first reported human case of spotted fever group rickettsiosis in urban Bangkok.

Described herein is the clinical presentation of a patient from Bangkok, with fever, petechial rash, history of a tick bite, and a diagnosis of spotted fever rickettsiosis.