2009年大理州血吸虫病疫情监测结果分析

Surveillance of Schistosomiasis in Dali Prefecture,2009

目的了解大理州2009年血吸虫病疫情现状,为评价防治效果和做好下一步的防治工作提供参考。方法制定《大理州血吸虫病监测方案》,按要求开展疫情监测工作。结果全州共确定7个疫情监测点,分布于5个血吸虫病重点流行县(市),监测点的居民感染率0.47%;家畜平均感染率0.40%;钉螺面积119 574 m2,活螺平均密度0.280 2只/框(每框=0.11 m2),未发现感染性钉螺。结论大理州血吸虫病疫情总体上已处于较低水平,部分高原峡谷型流行地区的疫情还不太稳定,今后应重点加强这类地区的防治工作。

Objective To understand the schistosomiasis epidemic situation in Dali prefecture and provide reference for the evaluation of control effect and further prevention and control of schistosomiasis. Method Schistosomiasis Monitoring Program in Dali prefecture was constituted, and the surveillance was carried out according to the Schistosomiasis Monitoring Program. Result Totally seven surveillance points were set up over the prefecture, which were distributed in five serious schistosomiasis endemic counties （cities）. The resident infection rate was 0. 47%. The livestock average infection rate was 0.40%. The snail area was in 119, 574 m2, and the mean snail density was 0. 280 2/0. 1 m2. No infected snails was found. Conclusion The epidemic situation of schistosomiasis in Dali was at a low level in general, but the epidemic situation in some narrow valleys village on plateaus was unstable. The prevention and control in these areas should be strengthened.