云南省澜沧拉祜族自治县居民土源性线虫感染调查分析

目的了解澜沧拉祜族自治县居民肠道寄生虫感染情况,为科学防治提供依据。方法用改良加藤法对居民进行粪便检查以了解土源性线虫感染率情况,采用问卷调查并分析居民卫生行为和卫生习惯与肠道寄生虫感染的关系。结果对532人进行粪检,土源性线虫感染334人,感染率为62.78%。其中,钩虫感染314人,占94.01%;蛔虫感染33人,占9.88%;其他寄生虫感染13人,占3.89%。结论澜沧拉祜族自治县居民土源性线虫感染率高,感染度低,以轻度感染为主,年龄及性别感染率差别不大,人群普遍易感。提示该地区在这一地区进行寄生虫病防治应采取改善环境卫生、健康教育以及人群驱虫的综合措施。

Investigation of the prevalence of soil-transmitted nematodes in Lahu Ethnic Autonomous County,Yunnan Province

Objective To ascertain the prevalence of human intestinal parasites in Lahu Ethnic Autonomous County and to provide a basis for their effective control.Methods The prevalence of soil-transmitted nematodes in residents was determined by the Kato-Katz method and individual hygiene practices and sanitary habits were surveyed using a standardized questionnaire.The relationship between intestinal parasite infection and hygiene practices and sanitary habits was analyzed.Results Out of 532 subjects 334 individuals were infected with soil-transmitted nematodes,indicating a prevalence of infection of 62.78%.Among infected individuals,314 were found to be infected with hookworms,accounting for 94.01% of those infected.Thirty-three subjects were infected withAscaris lumbricoides,accounting for 9.88% of those infected.Thirteen were infected with other parasites,accounting for 3.89% of those infected.Conclusion A high prevalence of soil-transmitted nematodes was noted in Lahu Ethnic Autonomous County,but the infection intensity was generally low.No significant differences in prevalence were noted in terms of age and gender.All residents were susceptible to soil-transmitted nematodes.The current findings indicate that an integrated control strategy including improved sanitation,health education,and mass eradication should be implemented.