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黄梅县长江江心新洲滩1980年实现无螺无病。自1988年以来,钉螺回升面积达900亩,超过灭光前有螺面积31.9%,钉螺自然感染率为6.76%。致使1992~1993年持续发生感染急性血吸虫病。疫情回升原因,主要是钉螺漏查残存、邻近疫源地的钉螺漂流扩散,以及地理环境植被变化的影响,加之外来人畜交往活动频率高交叉污染所致。建议控制钉螺扩散,灭清高危易感地带钉螺,开展健康教育,认真做好防护,杜绝血吸虫病重新流行。
Huangmei County, the Yangtze River Xinxin Island Beach in 1980 to achieve non-control disease-free. Since 1988, snails rose up to an area of 900 acres, exceeding the extinction before the spiral area of 31.9%, natural infection rate of 6.76% snails. Resulting in the continuous occurrence of acute schistosomiasis from 1992 to 1993. Reasons for the rising of the outbreak were mainly the detection of snail spill residuals, the spread of snail drifts adjacent to the foci and the impact of changes in the geographical environment and vegetation, combined with the high frequency of cross-contamination caused by the frequent frequency of human-animal interactions. It is recommended to control the spread of snails, eliminate high-risk susceptible snails, carry out health education, conscientiously do a good job to prevent the re-epidemic of schistosomiasis.