云南省某少数民族地区小学生肠道寄生虫感染调查及流行病学分析

目的了解云南某少数民族地区小学生肠道寄生虫感染情况。方法以该地区在校小学生217例作为调查对象,采用改良加滕氏涂片法进行粪便寄生虫病原学检查。结果实际接受检查193例,受检率91.04%。共检出肠道寄生虫感染者50例,总感染率25.91%,包括单虫感染39例(20.21%),双重感染10例(5.18%)、三重感染1例(0.52%)。检出肠道寄生虫4种,包括蛔虫、鞭虫、钩虫和粪类圆线虫,感染率依次为19.17%、9.84%、2.07%和1.55%。不同年龄、性别小学生感染率比较差异无统计学意义(P0.05),不同民族小学生感染率比较差异有统计学意义(P0.05)。结论该少数民族地区小学生肠道寄生虫感染情况较为严重,有必要制订预防及治疗措施以控制肠道寄生虫感染的流行。

Investigation and epidemiological analysis on the infection of intestinal parasites in pupils of a minority territory of Yunnan province

Objective To investigate the characteristics of intestinal parasite infection in pupils of a minority territory of Yunnan province .Methods A total of 217 pupils were enrolled and in pupils and parasites etiology in stool samples were detected by using modified Kato′s smear method .Results Among the 217 pupils ,193(91 .04% ) cases accepted investigation practically .The infection of intestinal parasites were confirmed in 50 cases ,with the total infection rate of 25 .91% ,including 39(20 .21% ) cases of single worm infection ,10(5 .18% ) cases of double infection and 1(0 .52% ) case of triple infection .Four kinds of worms were found ,inclu-ding ascaris lumbricoides ,whipworm ,hookworm and strongyloidesstercocalis ,with infection rate of 19 .17% ,9 .84% ,2 .07% and 1 .55% ,respectively .The infection rates were without significant differences between pupils of different gender and age(P> 0 .05) , but were statistically different between various nationalities(P < 0 .05) .Conclusion The intestinal parasitic infection of pupils in this minority territory might be serious and relevant precautions should be perforemd to control the prevalence of parasitic infec-tion .