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目的分析2008年全国血吸虫病疫情监测数据,了解监测点疫情变化趋势,为及时调整血吸虫病防治策略提供依据。方法按照《全国血吸虫病监测方案》要求,收集2008年全国80个血吸虫病监测点螺情、病情和相关因素的调查数据,分析监测结果。结果2008年全国血吸虫病监测点居民血检阳性率和感染率分别为9.86%和0.67%,家畜感染率为1.62%,较2007年均有明显下降,但监测点家畜圈养仅占6.07%。共查出感染性钉螺面积177.70 hm2,新发现钉螺面积7.64 hm2,活螺平均密度为0.32只/0.1 m2,钉螺感染率为0.15%。结论2008年全国血吸虫病监测点人畜病情及螺情均较2007年有所下降;家畜依然是血吸虫病的主要传染源,需进一步加强家畜管理,同时应关注螺情监测和钉螺控制。
Objective To analyze the data of epidemic situation of schistosomiasis in 2008 and understand the trend of epidemic situation in monitoring sites so as to provide basis for timely adjustment of schistosomiasis control strategies. Methods According to the requirements of “National Schistosomiasis Surveillance Program”, the survey data of the snail status, disease status and related factors of 80 schistosomiasis monitoring points in 2008 were collected and the monitoring results were analyzed. Results In 2008, the positive rate and prevalence of blood tests were 9.86% and 0.67%, respectively. The infection rate of domestic animals was 1.62%, which was significantly lower than that of 2007, but only 6.07% of livestock in the monitoring sites were housed. A total of 177.70 hm2 of infectious snails were found. The newly found snail area was 7.64 hm2, and the average density of live snails was 0.32 /0.1 m2. The infection rate of snails was 0.15%. Conclusion 2008 national schistosomiasis monitoring point of human and animal disease and snail were lower than in 2007; livestock is still the main source of infection of schistosomiasis need to be further strengthened livestock management, and should pay attention to the snail monitoring and snail control.