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目的了解云南省楚雄市血吸虫病传播阻断后疫情趋势,评估防治效果。方法收集楚雄市1994-2012年血吸虫病疫情资料,分析人畜病情和螺情的变化,比较逐年血吸虫病疫情指标变化趋势。结果楚雄市1993年达到血吸虫病传播阻断标准后,无新感染血吸虫病患者、病畜和感染性钉螺发现,活螺密度明显下降,分别由1994年的0.69只/0.1m2降至2012年0.0075只/0.1m2;但钉螺面积回升,有螺面积在2.45~28.04hm2,最严重时出现在2004年和2005年,2012年仍有钉螺面积6.17hm2。结论楚雄市达血吸虫病传播阻断标准后病情稳定,但螺情形势严峻,今后应加大外来传染源监测和钉螺控制力度,以巩固防治成果。
Objective To understand the epidemic trend of schistosomiasis transmission in Chuxiong City of Yunnan Province and evaluate its control effect. Methods The data of schistosomiasis in Chuxiong City from 1994 to 2012 were collected to analyze the changes of human and animal diseases and snails. The trend of the epidemic index of schistosomiasis year by year was compared. Results Chuxiong reached the standard of schistosomiasis transmission in 1993, and no newly infected patients were infected with schistosomiasis. The live snails and infectious snails were found to have a significantly decreased density of live snails, from 0.69 / 0.1m2 in 1994 to 0.0075 Only /0.1m2; however, the area of snails rose back and the area of snails was 2.45 ~ 28.04hm2, the most serious occurred in 2004 and 2005, and there was still snail area of 6.17hm2 in 2012. Conclusion Chuxiong schistosomiasis transmission of the block after the disease was stable, but the snail situation is grim, the future should increase the source of infection monitoring and snail control efforts to consolidate the prevention and treatment results.