论文部分内容阅读
目的观察在不同区域范围内实施传染源控制措施预防控制血吸虫病效果。方法分别以行政村、乡镇以及水系流域为区域范围,实施以机代牛、卫生改厕等传染源控制措施,观察螺、病情变化情况,评价其预防控制血吸虫病流行的效果。结果以行政村为区域范围的8个村在实施传染源控制措施3年后,人群平均感染率由4.72%降为0`.33%,降幅为93.01%;感染性钉螺平均密度由0.0088只/0.11m~2降为0.0015只/0.11m~2,降幅为95.45%。铜陵县老洲乡在整乡推进传染源控制措施3年后,人群平均感染率由4.78%降为0.08%,降幅为98.33%;感染性钉螺平均密度由0.015只/0.11m~2降为0。贵池区秋浦河流域、长江及九华河流域、升金湖流域分别在实施传染源控制措施4年、3年、2年后,人群平均感染率分别由4.65%、4.52%、3.65%降为1.32%、1.75%、1.91%,降幅分别为71.61%、61.28%、47.67%;感染性钉螺平均密度分别由0.0075只/0.11m~2、0.005 2只/0.11m~2、0.0053只/0.11m~2降为0.000 4只/0.11m~2、0、0,降幅分别为94.67%、100%和100%。急性血吸虫感染均得到有效控制。结论实施传染源控制为主的综合防治措施能够有效控制血吸虫病疫情,防治效果较为巩固。
Objective To observe the effect of controlling infection sources in different regions to prevent and control schistosomiasis. Methods The administrative villages, townships and river basins were taken as the regional ones respectively. The control measures such as generation of cattle and sanitary lavatories were carried out to observe the changes of snail and disease, and to evaluate the effect of preventing and controlling the epidemic of schistosomiasis. Results The average infection rate of the population in 8 villages in the administrative villages was reduced from 4.72% to 0.93% after a period of three years of infection source control measures, down by 93.01%. The average density of infectious snails was 0.0088 / 0.11m ~ 2 reduced to 0.0015 /0.11m ~ 2, a decrease of 95.45%. In Tongling County, Laozhou Township, three years after promoting infection source control measures in the whole country, the average infection rate of the population was reduced from 4.78% to 0.08%, a decrease of 98.33%; the average density of infectious snails decreased from 0.015 /0.11m~2 to 0 . In Qiuchi District, Qiupu River Basin, Yangtze River, Jiuhua River Basin and Shengjinhu Lake Basin, the average infection rates were 4.65%, 4.52% and 3.65% respectively after implementation of infection source control measures for 4 years, 3 years and 2 years The average density of infective snails was 0.0075 /0.11m ~ 2,0.005 2 /0.11m ~ 2,0.0053 only /0.11 m ~ 2 reduced to 0.000 4 /0.11m ~ 2,0,0, a decline of 94.67%, 100% and 100% respectively. Acute schistosomiasis have been effectively controlled. Conclusion The comprehensive prevention and control measures based on the control of infection sources can effectively control the epidemic situation of schistosomiasis, and the control effect is more consolidated.