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钩端螺旋体病(以下简称钩体)是由致病性钩端螺旋体所引起的一种自然疫源性传染病。建德县自1958年发现疫情以来,每年均有不同程度的流行。疫情波及到全县43个乡镇中的41个乡镇,成为建德县主要的传染病之一。经过几十年的防治,流行基本得到控制。但近几年来,疫情又有所回升,同时发病及流行菌型也发生了变化。为此,我们于1989年8月至10月,对本县钩体宿主动物及其钩体感染情况,发病及流行菌型进行了监测。现将结果报告如下。1 材料与方法1.1 宿主动物及其带菌调查根据本县钩体流行特点及以往的调查结果,选择鼠和蛙为本次调查对象。在发病较多的千鹤乡、马目乡、杨村桥镇等地,由专业人员夜间去田间、水沟边捕蛙。用鼠夹法进行室内外捕鼠。1.2 培养和菌型鉴定将捕获的蛙鼠无菌
Leptospirosis (hereinafter referred to as leptospirosis) is caused by a pathogenic Leptospira natural source of infectious diseases. Since 1958, the epidemic situation in Jiande County has been varying from year to year. The epidemic spread to 41 towns and 43 townships in the county, becoming one of the major infectious diseases in Jiande County. After decades of prevention and control, the epidemic has basically been brought under control. However, in recent years, the epidemic has picked up again, and the incidence and prevalence of bacteria have also changed. To this end, we conducted a survey on the infection, incidence and prevalence of leptospira host animals and their leptospira from August to October 1989 in our county. The results reported below. 1 Materials and methods 1.1 Host animals and their carriage investigation According to the characteristics of the county hook epidemic and the previous findings, select rats and frogs for this survey. In the more incidence of Chizuru Township, Mushu Township, Yangcun Qiaozhen and other places, by professionals at night to field, ditch hunting frogs. Rattrap method for indoor and outdoor mousetrap. 1.2 culture and identification of bacteria will be captured frogs sterile