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目的了解句容市肠道线虫感染情况,为制定经济有效的防制策略提供依据。方法采用改良加藤涂片法检测肠道线虫虫卵,1粪2检。2016年10月在句容市选取5个乡镇,各选取1个村,监测500名以上常住人口肠道寄生虫感染情况。结果调查2 539人,阳性粪便33份,阳性率为1.29%。感染虫种主要包括钩虫、蛔虫和鞭虫,其中钩虫感染率最高,为1.10%,每克粪便的虫卵数(EPG)高达14 400,鞭虫最低,为0.08%。5个乡镇中,茅管镇感染率最高,为2.71%,宝华和边城镇最低,为0.39%,不同乡镇居民肠道线虫感染率差异有统计学意义(P<0.01)。结论句容市肠道线虫总体感染率达到有效控制标准,但是单虫感染率和感染度仍较高。
Objective To understand the intestinal nematode infection in Jurong City and provide evidence for the establishment of a cost-effective prevention and control strategy. Methods Modified Gato smear method to detect intestinal nematode eggs, 1 stool 2 test. In October 2016, 5 towns and villages were selected in Jurong City and 1 village was selected to monitor the intestinal parasitic infections in more than 500 permanent residents. Results A total of 2 539 people were surveyed, with 33 positive stools. The positive rate was 1.29%. Infectious worms mainly include hookworm, roundworm and whipworm, of which the hookworm infection rate is the highest (1.10%), the number of eggs per gram of stool is as high as 14,400 and the whipworm is 0.08%. Among the 5 towns, the infection rate was the highest in Mao town, 2.71%, and the lowest in Baohua and Biancheng town was 0.39%. The infection rates of intestinal nematode among different towns were significantly different (P <0.01). Conclusion The overall infection rate of intestinal nematodes in Jurong City has reached an effective control standard, but the infection rate and infectivity of single worms are still high.