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我省１９５７～１９９２年在钩体病流行病学调查中获鼠３目５科１６属２９种２７７６４只，从３目３科９属１７种７６４只中分离出钩体，总阳性率２．７５％，但各阶段差异非常显著（Ｐ＜０．００５）．定群６６０株隶属１４群，定型３０６株隶属２３型，全省优势鼠及菌型是黄胸鼠之爪哇型，但因地而异：北纬２４°３０＇以南的文山至德宏州等一片为黄胸鼠之爪哇群；２４°３０＇～２７°的昆明－楚雄－大理及华坪县一线为黄胸鼠、褐家鼠、大足鼠之犬群渡口型：怒江州为大足鼠之波摩那型；保山坝为大足鼠之犬群和致热群：元江坝为板齿鼠之致热型；２７°线以北的绥江县为黑线姬鼠之黄疸出血群赖型。分布特点的形成，与菌群和宿主动物间的倾向性及复杂的地理条件有关。
From 1957 to 1992 in our province, epidemic investigation of leptospirosis, 27,764 species of 29 species, 16 genera, 5 families, 5 genera, 3 species, 3 genera, 9 genera, 17 species, 764 species, were isolated. 75%, but the difference between each stage is very significant (P <0.005). The population of 660 strains belongs to 14 groups, and 306 strains belong to type 23. The predominant species and rat strains in the province are Javanese type of Rattus flavipectus, but vary from place to place: from Wenshan to Dehong in south of latitude 24 ° 30 ’ One for the javanica of the Rattus flavipectus group; Kunming - Chuxiong - Dali and Huaping County, 24 ° 30 ’~ 27 ° first line of the Rattus flavipectus, Rattus norvegicus, Pomona type; Baoshan dam for the dog group and pyrogen group: Yuanjiang dam for the fever rat-type; Suijiang County north of 27 degrees line for the black line Apodemus meningitis bleeding model. Distribution of the formation of the characteristics and flora and host animal tendencies and complex geographical conditions related.