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J Med Entomol. 1998 Mar;35(2):95-8.

Detection of Borrelia burgdorferi from ticks (Acari) in Hebei Province, China.

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Department of Bacteriology, Centers for Public Health and Disease Control of Hebei Province, Baoding, China.


From May 1992 to August 1993, 1,196 ticks were collected by flagging vegetation and from domestic animals in Chengde, Zhangjiakou, Shijiazhuang, and Handan districts of Hebei Province. Of those ticks collected, 954 were Haemaphysalis japonicum Warburton and H. longicornis Neumann, 205 were Ixodes persulcatus Schulze, and 37 were Dermacentor silvarum Olenev. Four strains of Borrelia burgdorferi were isolated from 135 I. persulcatus collected in Weichang and Zhuolu counties. Three of 574 Haemaphysalis spp. (collected in Laishui, Pingshan, and Xinglong counties) were positive for B. burgdorferi by direct immunofluorescent assay. One of 24 H. japonicum and 1 of 1 I. persulcatus (collected in Zhuolu) were positive for B. burgdorferi by polymerase chain reaction. This is the 1st report of a B. burgdorferi isolation from H. japonicum.

[Indexed for MEDLINE]

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