epidemiology of tsutsugamushi disease in relation to the serotypes of rickettsia tsutsugamushi isolated from patients, field mice, and unfed chiggers on the eastern slope of mount fuji, shizuoka prefecture, japan.a total of 59 strains of rickettsia tsutsugamushi were isolated from patients (24 isolates), apodemus speciosus mice (30 isolates), and unfed larvae of leptotrombidium scutellare (2 isolates) and leptotrombidium pallidum (3 isolates) in the gotenba-oyama district, shizuoka prefecture, japan. all these isolates were classified into the three serotypes karp, kawasaki, and kuroki based on reactivity with strain-specific monoclonal antibodies. kawasaki- and karp-type rickettsiae were isolated from l ...19921452653
detection of ehrlichial dna in small rodents captured in a woodland area of hokkaido, the northernmost island of japan, where lyme disease is endemic.the ehrlichial gene was detected in small rodents trapped in a lyme disease-endemic area in hokkaido, the northernmost island of japan. primer pairs of 16s rdna targeting the genus ehrlichia and other regions of the 16s rdna specific for e. chaffeensis and e. muris were used for identification. the dna fragment specific for 16s rdna of ehrlichia spp. was detected in 4 of 94 apodemus speciosus mice (positive rate: 4.3%) and 5 of 73 clethrionomys rufocanus bedfordiae mice (positive rate: 6.8%). th ...200516249629
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