2004~2013年云南洱源县血吸虫病流行特点分析

Epidemiological trends of schistosomiasis in Eryuan County of Yunan Province: 2004 to 2013

目的分析云南洱源县血吸虫病流行特点,为巩固防治成果提供策略和建议。方法收集2004~2013年防治资料并对照历史资料进行分析。结果洱源县曾是血吸虫病重度流行区,经过多年防治,全县血吸虫病流行程度逐年减弱,2013年人群感染率和2004年相比下降了96.62%,2013年牛感染率和2004年相比下降了98.84%,无急性血吸虫病发生。2013年钉螺面积和2004年相比下降了70.05%。截至2014年,全县有26个村达传播阻断标准。结论洱源县血吸虫病防治工作虽然取得了显著成绩,但还存在诸多困难和问题,巩固和扩大防治成果任重而道远。

Objective To analyze the epidemiological characteristics of schistosomiasis in Eryuan County of Yunan province for policy decisions in consolidating the achievement. Methods The informative data on schistosomiasis prevention and control from 2004 through 2013 were collected, and retrospectively analyzed and compared with historical records. Results Eryuan County used to be schistosomiasis severely hit area. After 60 years of effort, the schistosomiasis endemic tended to fall year by year, and current rates of population infection and the domestic cattle infection were greatly reduced by 96.62% and 98.84%, respectively against2004. In the past years, no single acute schistosomiasis case was reported. Areas with snail existence were reduced by 70.05% in 2013 as compared with those in 2004, and 26 villages were up to the criteria of schistosomiasis transmission interruption in 2014. Conclusion Although the achievement is remarkable in Eryuan County in schistosomiasis prevention and control, yet some difficulties and problems are still existing, which suggests that there is long way to go to maintain the accomplishment.