钩端螺旋体病 (简称钩体病 )是一种自然疫源性疾病 ,1 958年 8月湖南长沙县首次报告了本病 ,之后每年均有病例发生 ,而且是发病率较高的省份 ,90年代以来一直名列全国各省市前 1～ 2名。 41年来共计报告病例 1 7490 5例 ,病死 551 2例 ,病死率在3%左右。湖南也是一个洪涝灾害十 Leptospirosis (leptospirosis) is a natural foci of disease. The disease was reported for the first time in Changsha, Hunan Province in August 1958, and every year thereafter, cases have been reported and the province has a high incidence of 90 Since the age of the country has been ranked in the top 1 to 2 provinces. In the past 41 years, a total of 17,490 cases were reported, 551 2 died and the case fatality rate was about 3%. Hunan is also a flood disaster ten