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目的对天台县钉螺情现状和再现原因进行分析,为制订有效的防制对策提供依据。方法收集、分析2001—2012年天台县血吸虫病监测资料。结果天台县达到血吸虫病传播阻断标准后病情稳定;但2001年以来,发现残存螺点11处,且面积有逐渐增加趋势;钉螺再现间隔平均为11年;最高密度平均为44只;环境类型以沟/渠为主;2004年查出输入性慢性血吸虫病患者1例。10年间有8年钉螺复现,主要原因为“查漏”。结论钉螺残存时有复现,应提高查、灭螺质量和疫区流动人员的监测工作,巩固已经取得的血防成果。
Objective To analyze the status quo and causes of reproduction of snails in Tiantai County and provide the basis for effective prevention and control measures. Methods The data of monitoring schistosomiasis in Tiantai from 2001 to 2012 were collected and analyzed. Results Tiantai County reached the standard of transmission of schistosomiasis after the disease was stable; but since 2001, the remaining spiral points found in 11, and the area is gradually increasing trend; snail reproductive interval averaged 11 years; the highest average density of 44; the type of environment In order to ditch / canal-based; 2004 imported chronic schistosomiasis patients found in 1 case. 8 years snail recurrence in 10 years, the main reason is “leak”. Conclusion There is a recurrence of Oncomelania remnant, the quality of check and snail control should be improved, and the monitoring of the flowering workers in affected areas should be strengthened so as to consolidate the achievements of blood-defensive already achieved.