锡山市于1993年通过消灭血吸虫病“达标”考核，自1994年起进行消灭血吸虫病近期监测，现将1994～1998年5年螺情监测情况报告如下。1监测范围与方法1．1监测范围在全市33个镇的411个流行村和部分非流行村，每年4、5月份开展监测查螺，重点是历史老螺点周围，沿水系30m以内的各 Xishan City in 1993 through the elimination of schistosomiasis “compliance” assessment, since 1994 to eliminate the recent monitoring of schistosomiasis, now 5 years 1994-1998 snail situation monitoring report as follows. 1 Scope and Method of Monitoring 1.1 Monitoring Scope In 411 pop villages and some non-epidemic villages in 33 towns of the whole city, surveillance surveys are conducted in April and May each year, with emphasis on the surroundings of the old Laojian point and within 30m along the water system