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目的 探讨快速控制湖南省新疫区血吸虫病流行的防制对策。 方法 通过对新流行区进行重点纵向观察 ,根据各流行区的流行因素特点 ,合理组合运用现有防治方法。 结果 桃源试区居民血吸虫病感染率由 1998年的12 .16 %下降到 2 0 0 0年的 0 .14% ,下降了 98.8% ;耕牛感染率由 15 .91%下降到 1.35 % ,下降了 91.5 % ;活螺密度由9.12只 /0 .11m2下降到 0 .11只 /0 .11m2 ,下降了 98.8% ;感染螺密度由 0 .0 2 48只 /0 .11m2下降到 0 .0 0只 /0 .11m2。长沙市傅家洲和益阳市黑湖洲试区均在短期内取得了消灭钉螺阻断血吸虫病传播的效果。 结论 合理组合运用现有的防制措施 ,在短期内可以达到快速控制血吸虫病新流行区疫情的目的
Objective To explore the control strategies for the rapid control of the epidemic of schistosomiasis in new affected areas in Hunan Province. Methods Through the longitudinal observation of the new epidemic area, according to the characteristics of epidemic factors in each endemic area, the existing prevention and cure methods were combined rationally. Results The prevalence of schistosomiasis in Taoyuan residents decreased from 12.16% in 1998 to 0.14% in 2000, down by 98.8%. The rate of cattle infection decreased from 15.91% to 1.35% (91.5%). The density of living snails decreased from 9.12 /0.11m2 to 0.11 / 0.11m2, down by 98.8%. The density of infected snails decreased from 0.0228 / 0.11m2 to 0.000 Only / 0 .11m2. Changsha City, Fuzhou Island and Yiyang City Heihuzhou pilot area were obtained in a short period to eliminate snails stop schistosomiasis transmission effect. Conclusion The rational combination of the use of existing control measures in the short term can achieve the purpose of rapid control of epidemic situation of new endemic areas of schistosomiasis