南昌市2005年14岁以下儿童蛔虫感染监测

INVESTIGATION ON INFECTION RATE OF ASCARID IN CHIILDREN UNDER 14 YERS OLD IN NANCHANG CITY IN 2005

[目的]了解和掌握南昌市14岁以下儿童蛔虫感染的动态变化规律,为科学防治蛔虫感染提供重要依据。[方法]采用粪检生理盐水直接涂片法,检测蛔虫卵;以市区为单位,采用分层随机抽样的方法,对相应辖区内14岁以下儿童以年龄组分层,在每个年龄组内随机抽取不少于400人进行了蛔虫感染监测。[结果]南昌市2005年14岁以下儿童蛔虫平均感染率为1.08%;不同年龄组蛔虫感染率差异有统计学意义(χ2=16.36,P﹤0.05);9岁组蛔虫感染率最高,为1.44%。[结论]南昌市2005年14岁以下儿童蛔虫平均感染率较低。

[Objective] To undersand the dynamic rules of aserid infection in children under 14 years old in Nanchang City, arid：provide Scientific basis for control and prevention Of ascarid infection. [Methods] The method of normal saline direct smear for manure deteetion was adopted to examine asearid eggs NO less than 400 Children under 14 years old were selected in every age group by the method of Stratified random samphng to give monitoring of ascarid infection. [Results] The average infection rate of ascarid for children under 14 years old in Nanchang in 2005 was 1.08% ; there was significant diffence among different age groups （X^2= 16,36, P〈0.05）;the ascarid infetion rate of 9 years old group （1,44%） was the highest.[Conclusions]The average infection rate of ascraid among children under 14 old in Nanchang City in 2005 is relatively low.