从１９８６年起，我市为了保证灭螺重点和做好易感地带居民防护，防止急性血吸虫病发生，开始组织各流行区县开展阳性钉螺调查。１９９６～１９９８年我市采用会审的形式对其质量进行了考核，现介绍如下。１要求和方法会审由市血地防办和市血防医院共同组织，成立由专家组... Since 1986, in order to ensure the focus of snail control and residents’ protection in vulnerable areas and prevent the occurrence of acute schistosomiasis, the city started to organize the investigation of positive snails in all endemic areas and counties. From 1996 to 1998, the city adopted the form of examination of the quality of its assessment, are presented below. 1 requirements and methods will be examined by the City Blood and Landscaping Prevention Office jointly organized by the city, set up by the expert group ...