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目的了解上海南汇区2001~2008年血吸虫病流行因素的动态变化及监测情况,为评价防治效果和制订防治策略提供依据。方法建立血吸虫病监测系统,进行螺情和病情的同步监测。结果2001～2008年共查螺4559388m2,发现钉螺面积270m2,没有发现阳性钉螺;外来流动人员检查抗体阳性率为0.47%;抗体阳性者经病原追踪,在2005年查获1例血吸虫病输入病例;耕乳牛调查没有发现血吸虫病牛;没有发现内源性血吸虫病人,小面积的残存钉螺及时得到有效消灭,输入钉螺监测也未见输入性钉螺;学生、征兵招生等新感染监测均未发现病人。结论8年螺情监测中在2001年查到钉螺,说明螺情仍有反复,重点监测人群是外来流动人员,仍需加强血吸虫病防治,防止其死灰复燃。
Objective To understand the dynamic changes and monitoring of schistosomiasis prevalence in Nanhui District of Shanghai from 2001 to 2008, and to provide basis for evaluating the control effect and formulating prevention and control strategies. Methods To establish a monitoring system for schistosomiasis and carry out simultaneous monitoring of snail status and illness. Results A total of 4559388 m2 of snails were found from 2001 to 2008, and no positive snails were found in an area of 270 m2 of the snails. The positive rate of antibody examination by foreign migrants was 0.47%. One antibody-positive case of schistosomiasis was seized in 2005, There was no schistosomiasis was found in the cow survey. No endogenous schistosomiasis patient was found, and a small area of surviving snail was effectively eliminated in time. Input snails were not found in the imported snails. No new infections such as students and conscription recruits were detected. Conclusions In 2001, Snail was found in 8 years of snail surveillance, indicating that the snail still has repetition. The key monitoring population is migrant workers, and the prevention and treatment of schistosomiasis still needs to be strengthened to prevent its resurgence.