皖南山区自 196 3年发现首例钩端螺旋体病以来 ,每年都有病例发生 ,发病 98%以上为农民 ,而且目前疫区不断扩大 ,六十年代以来 ,年发病率最低的为 0 .77/10万 ,年发病率最高的为 139.70 /10万。流行菌群 (型 ) :七十年代以黄疸出血群、流感伤寒群、沃洲群为主 ,九十年代初以“? Since the first case of leptospirosis was discovered in mountainous area of ​​Southern Anhui Province, more than 98% of the cases were peasants each year since the first case of leptospirosis was found in 1983. At present, the epidemic area is constantly expanding. Since the 1960s, the lowest annual incidence was 0.77 / 100,000, the highest annual incidence of 139.70 / 100,000. Popular flora (type): seventies to jaundice bleeding group, influenza typhoid group, Wo Chau group mainly in the early nineties to "?