四会市1996～2003年血吸虫病监测情况分析

目的了解四会市消灭血吸虫病后的疫情动态。方法建立血吸虫病监测系统，在原疫区对钉螺和传染源进行同步监测。结果1996～2003年共查螺182．7万m^2，均未发现活的钉螺。复查历史病人948人次；检查外来人口112人，阳性者4人(3．57％)；调查低年龄组的中小学生1617人，皮试阳性者106人(6．55％)。阳性者经粪检复查均没有发现血吸虫病人。解剖野鼠339只，检查耕牛1339头次，没有发现血吸虫虫卵阳性的野鼠和牛只。结论四会市血吸虫病防治成果巩固，但仍必须加强监测，特别是输入性传染源及钉螺的监测。

Analysis of the Surveillance of Schistosomiasis between 1996 and 2003 in Sihui City in Guangdong Province

Objective To understand epidemic situation following the elimination of schistosomiasis in Sihui. Method Surveillance of snails and infection sources was carried out in the former endemic areas. Results Between 1996 and 2003, 4 out of 112 (3.57%) floating population and 106 out of 1 617 (6.55%) young people living in the endemic areas were found positive by the schistosomal skin test. However, they were found negative by in the examination for eggs in the stools. In neighboring areas no living snail was found and no infected cattle and wild rats were detected. Conclusion The schistosomiasis control was a success in Sihui. Continued surveillance should be carried out, especially on snails and on possible imported infection sources.