2007年重庆市血吸虫病监测结果分析

目的了解重庆市三峡库区潜在的血吸虫病流行因素变化状况，为制定干预措施提供依据。方法根据《全国血吸虫病监测方案》，开展2007年监测。结果2007年重庆市各级查出3例输入性血吸虫病例：当地居民、疫区返乡人员和疫区来渝人员的IHA检测阳性率分别为0．80％、1．55％和0;三类人群病原学检查均为阴性。未发现钉螺和从流行区引进的植物、家畜。结论三峡库区仍存在血吸虫病传播的潜在危险．应加强监测。

Analysis of schistosomisis surveillance of Chongqing City in 2007

Objective To master the related risk factors of schistosomisis transnfission and provide the scientific evidence for formulating schistosomiasis prevention program in Three Gorges Reservoir Area. Meth- otis According to the national surveillance protocol of schistosomiasis, the epidemic indices of local residents, floating population, livestock and snail, etc, were investigated and analyzed in. Results 501 local inhabitant, 192 floating population returning from schistosomisis endemic areas and 41 floating population from endemic areas were detected by IHA in the national site, the sero-positive rates were 0.80%, 1.55% and 0, respectively, and no egg-positive person was found. There was no livestock and plant imported from schistosomisis endemic areas. However, there were three imported cases of schistosomiasis found outside of Chongqing. Conclusion There were the potential risk factors for schistosomiasis transmission in the Three Gorges Reservoir Area, and surveillance should be strengthened.