钩端螺旋体病(以下简称“钩体病”)是我国农村的常见病、多发病。本文拟根据国内外对该病的研究资料,综述如下: (一)病原学研究钩端螺旋体(简称“钩体”)根据1965年国际会议将其分为二类,第一类称“双曲钩体“,代表过去所称的腐生性钩体;第二类称“存疑钩体”,代表寄生性钩体,此类可引起动物及人的感染。 Leptospirosis (hereinafter referred to as “leptospirosis”) is a common disease in rural China, frequently-occurring disease. This article is based on the domestic and foreign research on the disease data are summarized as follows: (A) of the etiology of Leptospira (referred to as “hook body”) According to the 1965 International Conference will be divided into two categories, the first category called “hyperbolic Hook body ”, on behalf of the so-called saprophytic hook body; the second category called“ suspect hook body ”, on behalf of the parasitic hook body, such animals and humans can cause infections.