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目的分析2006-2015年盐城市人群肠道蠕虫感染的流行趋势,为制定防治策略提供科学依据。方法对2006-2015年盐城市人群肠道蠕虫感染监测资料进行分析。结果 2006-2015年盐城市累计进行肠道蠕虫感染监测110 746人次,检出肠道蠕虫阳性者1 732人次。2006年人群感染率最高,达4.59%(410/8 941),2013年最低,为0.19%(23/12 165),人群感染率总体呈逐年下降趋势,且有统计学意义(χ~2=27.78,P<0.001)。2006-2015年人群蛔虫、钩虫、鞭虫感染率降幅分别为96.57%、92.31%和96.47%,其随时间推移均呈显著下降趋势(Z=-27.75、-22.23和-16.17,P均<0.001)。蛔虫、钩虫、鞭虫感染者平均EPG分别为2 534、360和154,1 694例(占97.81%)为轻度感染。12岁以下儿童共检出蛲虫感染阳性儿童1 174例,病例数呈逐年下降趋势(χ~2=12.46,P<0.001)。结论 2006-2015年盐城市人群各类肠道蠕虫感染呈下降趋势,防治效果明显。今后应加强对重点人群的防控,加强环境治理及健康宣教。
Objective To analyze the epidemiological trend of intestinal helminth infection among Yancheng population from 2006 to 2015 and provide scientific evidence for the prevention and control strategy. Methods The surveillance data of intestinal helminth infection in Yancheng city from 2006 to 2015 were analyzed. Results In 2006-2015, a total of 110 746 intestinal worm infections were monitored in Yancheng City. A total of 1 732 intestinal worms were detected. The highest infection rate was 4.59% (410/8 941) in 2006 and 0.19% (23/12 165) in 2013. The overall infection rate showed a trend of declining year by year with statistical significance (χ ~ 2 = 27.78, P <0.001). The infection rate of roundworm, hookworm and whipworm in the population from 2006 to 2015 decreased by 96.57%, 92.31% and 96.47%, respectively, which showed a significant decreasing trend with time (Z = -27.75, -22.23 and -16.17, P <0.001 ). The average EPG of worms, hookworm and whipworm infections were respectively 2 534, 360 and 154, and 694 (97.81%) were mild infections. A total of 1 174 cases of children infected with pinworm were detected in children under 12 years old, with a decreasing trend year by year (χ ~ 2 = 12.46, P <0.001). Conclusions All kinds of intestinal worms infection in Yancheng city in 2006-2015 show a decreasing trend, and the control effect is obvious. In the future, we should strengthen prevention and control of key populations and strengthen environmental governance and health education.