关键词: 钩端螺旋体病, 疫情, 趋势, 分析

Abstract: An epidemic situation and trend of Leptospirosis was analysed in Huaibei plain,Jianghuai hilly area and Wannan mountain region in Anhui province From 1993 to 1997.The results showed that Wannan mountain region was the main endemic area and high incidence area of Leptospirosis in Anhui province. Endemic stabilization and seasonal peak of the area were obvious. Epidemiological peak of Leptospirosis was from September to October in Wannan mountain region. The seasonal peak coincide with that of Anhui province. The seasonal peak of Leptospirosis was not patency in Huaibei plain and Jianghuai hilly region. Among 1 497 cases of Leptospirosis, Male∶Female= 1.8 ∶1, 10～49 age group 87.78 %,Peasant 79.76 %.Diversity of incidence rate (case constitute) of Leptospirosis in natural population was due to time and freqency difference exposed to Leptospira polluted water. Stress of the preventive measures of Leptospirosis should be focused to Wannan mountoin region.