为了摸清肥城市中小学生贾第鞭毛虫感染情况,1997年5月我们进行了调查,现报告如下.1 对象与方法1.1 调查对象 选取偏远的孙伯镇孙东中学、崖山小学为调查点,调查点内学生.1.2 方法 采用饱和盐水漂浮法,取采集的粪便样品0.5g,置于5ml饱和盐水内搅匀,将玻片盖于瓶口漂浮30min镜检.凡在玻片上查到贾第鞭毛虫包囊即为镜检阳性. In order to find out the prevalence of Giardia in primary and secondary school students in Feicheng City, we conducted a survey in May 1997. The report is as follows: 1. Subjects and Methods 1.1 Survey Subjects We selected remote Sunbury Middle School and Yushan Primary School as investigation points and investigation points Internal students .1.2 Methods saturated brine floating method, take the collected fecal samples 0.5g, placed in 5ml saturated brine and stir well, slide the glass lid floating in the bottle 30min microscopy. Where found in the slide giardia Cysts are microscopic positive.