云南鹤庆县血吸虫病重疫村联片传染源控制防治效果

The effect of infectious source control on schistosomiasis at heavy endemic areas in Heqing County

目的探索传染源控制对策在云南鹤庆县高原峡谷型血吸虫病流行区的防治效果。方法在试区实施健康教育、查治病和化疗、粪水管理、禁牧、查灭螺等以传染源控制为主的血吸虫病防治措施。结果试区2011年血吸虫人群感染率为0.05%,较2006年下降98.83%;家畜感染率降为0.16%,较2006年下降79.75%。2011年的钉螺面积、有螺框出现率、活螺平均密度、活螺最高密度等螺情指标分别较2006年下降66 69%、46.01%、77.03%、80.56%,新庄、古乐、磨光3村2007年以后没有发现阳性钉螺,西甸村2008年以后没有发现阳性钉螺。结论传染源控制为主的血吸虫痫联片防治措施,使试区村疫情显著下降,防治成效明显。

Objective To probe the effect of infectious source control at plateau canyon schistosomiasis endemic areas in Heqing county,Yunnan province.Methods The comprehensive control measures with emphasis on infectious source control,such as health education,examination and treatment,stool and water management, grazing forbidden,snails investigation and elimination,were carried out in the pilot areas.Results The infection rate of people was 0.05%in 2011,and reduced by 98.83%compared with the year of 2006.The infection rate of livestock was 0.16%in 2011,and reduced by 79.75%compared with the year of 2006.The snail area,the percentage of frames with living snails,the average density of living snail and the highest density of living snail decreased by 66.69%,46.01%,77.03%and 80.56%),respectively.No infested snails were found in Xinzhuang,Gule and Moguang village after 2007,No infested snails were found in Xidian village after 2008. Conclusion The comprehensive control measures with emphasis on infectious source control had better effect on schistosomiasis at Plateau Canyon endemic areas,and the prevalence situation reduced remarkably.