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  • Title: [Analysis of human intestinal nematode infections in Nanjing City from 2006 to 2015].
    Author: Yi-Sha H, Yan-Jing L, Chao-Yong X.
    Journal: Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi; 2017 Jul 28; 29(5):637-639. PubMed ID: 29469367.
    Abstract:
    OBJECTIVE: To analyze the epidemiological situation of human intestinal nematode infections in Nanjing City from 2006 to 2015, so as to provide the reference for formulating prevention and control measures. METHODS: The surveillance data of human intestinal nematode infections in Nanjing City from 2006 to 2015 were collected and analyzed statistically. RESULTS: From 2006 to 2015, 98 804 person-times of residents were surveyed in Nanjing City, and 465 person-times of residents were detected with intestinal nematode infections. The highest infection rate was in 2006 (1.97%), and the lowest in 2013 and 2015 (both 0.05%). Moreover, the positive rate of human intestinal nematode infections showed a significantly declining trend in total ( χ2 = 552.19, P < 0.001). Meanwhile, the numbers of Ascaris lumbricoides, hookworm and Trichuris trichura cases were 329, 98 and 25 respectively, and the infection rates were 0.33%, 0.10% and 0.03% respectively. Among them, 443 cases had mild infection intensity (98.66%). There were 462 cases of single-infection (99.35%), and 3 of co-infection of two parasites (0.65%). From 2006 to 2015, 92 539 person-times of children under 12 years old were surveyed for Enterobius vermicularis infection and 352 cases were detected with E. vermicularis infection. Moreover, the positive rate showed a significantly decreasing trend in total (χ2 = 147.94, P <0.001). CONCLUSIONS: The control effect of human intestinal nematode infections in Nanjing City is remarkable. However, the surveillance and health education in key groups still should be strengthened, and the prevention and control programs should be adjusted promptly to further consolidating the effectiveness of intestinal nematode disease prevention and control. [摘要]目的 分析2006-2015年南京市人体肠道线虫感染流行趋势, 为制定和调整肠道线虫病的防控策略提供依 据。 方法 收集2006-2015年南京市人群肠道线虫感染监测资料进行统计分析。 结果 2006-2015年南京市累计粪检 98 804人次, 检出肠道线虫感染阳性者465人次, 2006年感染率最高 (1.97%), 2013年和2015年的感染率最低(均为 0.05%), 人群肠道线虫感染率呈逐年递减趋势 ( χ2 = 552.19, P < 0.001)。蛔虫、钩虫、鞭虫感染人数分别为329例、98例、 25 例, 感染率分别为0.33%、0.10%、0.03%, 其中轻度感染443 例 (占 98.66%)。人群肠道线虫单虫感染共462 例 (占 99.35%), 二虫感染3例 (占 0.65%)。为调查蛲虫感染状况, 累计检查12周岁以下儿童92 539人次, 蛲虫感染者352人次, 感染率呈逐年递减趋势 (χ2 = 147.94, P < 0.001)。 结论 2006-2015年南京市人群肠道线虫感染的防治效果显著, 但仍 需继续加强重点人群的健康教育和卫生宣传, 注重监测工作, 适时调整防控方案, 以进一步巩固肠道线虫病的防治成效。.
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