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目的掌握大山区血吸虫病流行趋势和疫情变化规律,为评价防治效果和调整山区血吸虫病防治策略提供科学依据。方法按照《全国血吸虫病监测方案》要求,每年进行人畜病情和钉螺调查,并采取相应的防治措施。结果血吸虫人群感染率从2005年的3.04%逐步下降,2009年未发现感染者;2005年耕牛感染率为2.56%,2007年以后未发现病牛;钉螺面积从2005年的16 440 m2下降到2008年的8 240 m2,2009年又上升至16 450 m2;2005年钉螺感染率0.001%,2005年以后未发现感染性钉螺。结论通过多年防治,德昌县血吸虫病疫情得到一定控制,应继续加强监测和巩固工作,防止疫情回升。
Objective To understand the epidemic trend of schistosomiasis and the epidemic situation in mountainous area, and to provide a scientific basis for evaluating the control effect and adjusting the control strategy of schistosomiasis in mountainous areas. Methods According to the requirements of “National Schistosomiasis Surveillance Program”, annual investigation of human and livestock diseases and snails were conducted, and relevant prevention and control measures were taken. Results The infection rate of schistosomiasis dropped gradually from 3.04% in 2005 and no infection was found in 2009; the rate of cattle in 2005 was 2.56%, and no cow was found after 2007; the snail area decreased from 16 440 m2 in 2005 8 240 m2 in 2008 and an increase of 16 450 m2 in 2009; in 2001, the infection rate was 0. 001%. Infectious snails were not found after 2005. Conclusion After many years of prevention and control, the epidemic situation of schistosomiasis in Dechang County has been controlled. Monitoring and consolidation work should continue to be strengthened to prevent the epidemic from rising.