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目的了解最近4年四川省郫县农村居民土源性线虫的感染情况和相关的影响因素,为制定相关预防控制措施提供科学的依据。方法对郫县农村地区各监测点2012-2015年土源性线虫感染调查资料进行χ2检验、多因素等分析。结果 2012-2015年总计检查4 400人,蛔虫感染率为0.27%,钩虫感染率为1.70%,鞭虫感染率为0.30%,3种线虫的年均总感染率为2.27%。2012-2015年土源性线虫每年的感染率分别为3.71%、3.2%、0.8%和0.8%;2012-2015年3种土源性线虫平均每年总感染率男性为2.28%,女性为2.26%(P>0.05);3~、10~、20~、30~、40~、50~、60~、≥70岁年龄组感染率分别为1.12%、0.55%、1.44%、1.36%、1.65%、2.71%、3.79%和3.2%;农民为2.37%,学生为1.69%,托幼儿童为0(P<0.01)。4年总计做蛲虫检查75人,均为3~12岁的儿童,无人感染蛲虫。结论郫县农村居民土源性线虫总体感染率较低,但是钩虫的感染比较严重。旧式农业地区的居民感染土源性线虫比新式农业地区的居民更容易。
Objective To understand the infection and related factors of soil-borne nematodes among rural residents in Pixian County, Sichuan Province in the recent 4 years and provide a scientific basis for making relevant prevention and control measures. Methods The survey data of soil-borne nematode infection from 2012 to 2015 in various counties in Pixian County were analyzed byχ2 test and multivariate analysis. Results A total of 4 400 people were examined in 2012-2015, with a roundworm infection rate of 0.27%, a hookworm infection rate of 1.70% and a whipworm infection rate of 0.30%. The annual average infection rates of three species of nematodes were 2.27%. The annual infection rates of soil-borne nematodes from 2012 to 2015 were 3.71%, 3.2%, 0.8% and 0.8% respectively. The average annual infection rates of three soil-borne nematodes from 2012 to 2015 were 2.28% for males and 2.26% for females, (P> 0.05). The infection rates were 1.12%, 0.55%, 1.44%, 1.36%, 1.65% in 3 ~, 10 ~, 20 ~, 30 ~, 40 ~, 50 ~ , 2.71%, 3.79% and 3.2% respectively; peasants 2.37%, students 1.69% and childcare children 0 (P <0.01). 4 years to do a total of 75 people check pinworm, are 3 to 12-year-old children, no one infected with pinworm. Conclusion The overall infection rate of soil-borne nematodes in Juxian County is low, but the hookworm infection is more serious. Residents in old agricultural areas are more susceptible to soilborne nematodes than those in new agricultural areas.