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实验在印度新德里两家医院的门诊病人中进行,选择经大便和/或十二指肠液(下称DF)检查确诊为仅有贾第鞭毛虫感染的患者40例,同时选择肠道寄生虫阴性者30例作为对照。在40例确诊的患者中,28例无症状(70%),12例有症状(30%)。在有症状的患者中,75%为6岁儿童。23例经大便脂肪测定,均无脂肪吸收不良的现象。用单向免疫扩散法测定血清、DF和大便中IgA、IgM和IgG的水平。患者组血清IgG和IgA分别为722～2 932mg/dl(x=1444mg/dl)、82～236mg/dl(x=202mg/dl),对照组分别为1001～2559mg/dl(x=
The experiment was performed in outpatients in two hospitals in New Delhi, India, and 40 patients diagnosed as having Giardia infection only by stool and / or duodenal fluid (DF) were selected. At the same time, 40 patients with negative intestinal parasites 30 cases as a control. Of the 40 confirmed patients, 28 were asymptomatic (70%) and 12 were symptomatic (30%). Of symptomatic patients, 75% are 6-year-old children. 23 cases were determined by stool fat, no fat absorption phenomenon. The levels of IgA, IgM and IgG in serum, DF and stools were determined by one-way immunodiffusion. Serum IgG and IgA were 722-2 292 mg / dl and 82-236 mg / dl respectively in the patient group and 1001- 2559 mg / dl in the control group (x =