为了解我市中小学生蛔虫感染情况,我们于1987年3月和1988年3月分别对泰安六中、一中、实验小学学生1503人,采用生理盐水直接涂片法进行了粪便检查,并对阳性者给予左旋咪唑治疗(1.5mg/kg)晚睡前顿服,连服3d),半月后同法复查。结果检出蛔虫卵阳性者617人,阳性率为41.05％。其中中学生631人,阳性239人,阳性率37.88％;小学生872人,阳性378人,阳性率43.35％。男女生蛔虫卵 In order to understand the city of primary and secondary school students roundworm infection, we in March 1987 and March 1988, respectively, Taian six, one, experimental primary school students 1503 people, using saline direct smear stool examination, and Positive were given levamisole treatment (1.5mg / kg) night before bedtime service, and even served 3d), half a month after the same review. Results Ascaris positive 617 people were detected, the positive rate was 41.05%. Among them, 631 were middle school students, 239 were positive, the positive rate was 37.88%; 872 were primary students, 378 were positive, the positive rate was 43.35%. Ascaris eggs for boys and girls