Abstract:

According to“The Scheme of Schistosomiasis Surveillance in Zhejiang Province”，the status of Oncomelania
snails，and the schistosome infection of permanent residents，floating population，and livestock were surveyed in a provincial sur?
veillance site of Shengzhou City，from 2008 to 2011. In 4 years，the area with residual snails was 3 060 m2，and no infected snails
were found among 595 living snails. The positive rate of sero?tests for schistosomiasis of the permanent residents was 0.77%，and
that of the floating population was 1.09%. No schistosomiasis cases were found. In conclusion，the area with residual snails is
small and its distribution is scattered，and we still should strengthen the surveillance of snail status and imported schistosomiasis
cases.

Key words: Schistosomiasis；Endemic situation；Surveillance；Shengzhou City

摘要：

根据《浙江省血吸虫病监测点监测方案》的要求，2008-2011年每年对嵊州市省级血吸虫病监测点的螺情、常住居民、流动人口和家畜病情等情况进行监测。结果4年累计发现钉螺面积3 060 m2，解剖活螺595只，未发现阳性钉螺；常住居民血检阳性率为0.77%，流动人口血检阳性率为1.09%，未发现血吸虫病病例。提示，监测点钉螺分布面积小而分散，呈残存钉螺分布的特点。今后仍要加强螺情和流动人群的病情监测。

关键词: 血吸虫病；疫情；监测；嵊州市