钩端螺旋体病(简称“钩体病”)是一种人畜共患自然疫源性疾病,病原菌及宿主种类较多,洪涝灾害期间时有爆发流行。2 0 0 3年6～7月,淮河流域发生特大洪涝灾害,我们于此期间对该流域怀远、霍邱、寿县、阜南、凤台县进行了自然人群钩体血清学及病源学调查。现将调查情况报告如下。 Leptospirosis (referred to as “leptospirosis”) is a zoonotic natural foci disease, pathogens and host more species, floods epidemic outbreaks. From June to July 2003, there were catastrophic floods in the Huaihe River basin. During this period, we conducted a survey of serological and etiological investigations on the hooks of natural populations in Huaiyuan, Huoqiu, Shouxian, Funan and Fengtai counties . Now the investigation report as follows.