我们于1986年4月份对32例上呼吸道感染患儿发病期中鼻腔分泌物进行了SIgA检测,同时还:果取30名健康儿进行对照实验,现介绍如下: 一般资料上感患儿32名中男孩21名,女孩11名。其中蒙族5名,汉族27名。发病年龄:1.25～14岁之间,其中<7岁为14名:8～14岁者为18名。发病以春季为多,32例除患有上感外有部分患儿有原发疾病,如:过敏性紫癜,病毒性心肌炎。肾炎、肾病等。测定方法测定步骤及方法,将消毒过的滤纸贴附于患儿两侧下鼻甲,15分钟后取出,放于消毒试管内送验。采用单琼脂 In April 1986, SIgA was detected in nasal secretions of 32 children with upper respiratory tract infection during the onset period. At the same time, 30 healthy children were enrolled in the control study. The results are as follows: General Information 32 children 21 boys and 11 girls. Among them, 5 are Mongolian and 27 are Han nationality. Age of onset: 1.25 to 14 years old, of which <7 years old 14: 8 to 14-year-old were 18. The incidence of more than in spring, in addition to the 32 cases with the exception of some children have primary disease, such as: allergic purpura, viral myocarditis. Nephritis, kidney disease and so on. Determination methods Determination steps and methods, the sterilized filter paper attached to the inferior turbinate on both sides of the child, removed after 15 minutes, placed in sterile test tube. Single agar