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目的了解和掌握江苏省居民和家畜血吸虫感染情况,为制订防治规划提供科学依据。方法根据全国和江苏省第三次血吸虫病流行病学抽样调查方案,对江苏省未达血吸虫病传播阻断标准的村,采用分层整群随机抽样法进行居民和家畜血吸虫感染情况调查。结果在全省1040个未达血吸虫病传播阻断标准村,抽样调查了13个村,抽样人口比例为1.17%。全省未达传播阻断地区的加权平均感染率为0.131%,推算粪检阳性病人约为3026人。流动人群粪检阳性率为4.95%。结论江苏省未控制的江滩地区和局部内陆通江河道地区,居民感染率仍相对较高。和第二次流行病学抽样调查相比,未控制水网地区疫情下降明显,而未控制江滩地区疫情却有较大幅度的上升,这两类地区是江苏省当前血防工作的重点。
Objective To understand and master the infection of schistosomiasis among residents and livestock in Jiangsu Province and provide scientific basis for making prevention and control plan. Methods According to the third epidemic sampling survey of schistosomiasis in Jiangsu province and Jiangsu Province, stratified cluster random sampling was used to investigate the prevalence of schistosomiasis among residents and domestic animals. Results In the province, 1,040 standard villages with transmission of schistosomiasis were blocked. A sample of 13 villages was surveyed, with a sample population of 1.17%. The province did not reach the area of transmission of the weighted average infection rate was 0.131%, estimated that the number of positive fecal examination was about 3026 people. The positive rate of stool in floating population was 4.95%. Conclusion Jiangsu Province uncontrolled river beach area and local inland river area, the infection rate is still relatively high. Compared with the second epidemiological survey, the epidemic situation in the uncontrolled water network area dropped significantly, while the epidemic situation in the uncontrolled waterfront area increased sharply. These two areas are the focus of current blood and air defense work in Jiangsu Province.