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目的了解龙岩市人体肠道线虫感染现状与分布特征,为制定防治对策提供依据。方法 2008—2015年,采用分层整群随机抽样方法确定调查点,以Kato-Katz法检查虫卵,透明胶纸肛拭法检查蛲虫卵,用Excel建立数据库,用EpiInfo 2000统计分析。结果 2008—2015年,在全区7县(市、区)37个乡(镇)41个村共检测标本14 060份,感染率5.2%;其中钩、蛔、鞭虫感染率分别为3.7%、1.4%、0.4%,复合感染率0.25%。女性感染率高于男性,从事农业人群感染率高于其他人群,大年龄组和低文化水平者感染率高;儿童蛲虫感染率8.8%。结论龙岩市人群肠道线虫感染率与1987—1992比较,下降了约73个百分点,钩虫是主要感染虫种,旱作种植区域人群和低文化水平、高年龄组人群是防控的重点人群。
Objective To understand the status and distribution characteristics of human intestinal nematode infection in Longyan City and provide evidence for the development of control strategies. Methods From 2008 to 2015, stratified cluster random sampling method was used to determine the investigation points. Kato-Katz method was used to examine the eggs and the transparent adhesive tape anal swab method was used to examine the eggs. The database was built with Excel and analyzed with EpiInfo 2000. Results From 2008 to 2015, 14 060 specimens were detected in 41 villages in 37 townships (towns) of 7 counties (cities and districts) in the province, with an infection rate of 5.2%. The infection rates of hook, roundworm and whipworm were 3.7% , 1.4%, 0.4%, compound infection rate of 0.25%. The infection rate of women is higher than that of men. The infection rate of agricultural population is higher than that of other groups. The infection rate of older age group and lower education level is high. The infection rate of children is 8.8%. Conclusion The prevalence of intestinal nematodes in Longyan City decreased by 73% compared with that in 1987-1992. The hookworm was the main insect species in the area under cultivation. The population of high age group was the key population of prevention and control.