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研究对象为尼日利亚疫区7～14岁儿童45例,及北美非流行区正常对照10例,均用取尿样作寄生虫学鉴定;血清样本取自尿虫卵阳性者。根据病人10ml尿中含卵的多少而分组。组1,含卵数为1～100个,共7例;组2,含卵数为101～250个,共11例;组3,含卵量超过250个,共9例。疫区对照组18例。使用方法和抗原有二种:(1)粗的埃及血吸虫可溶性虫卵抗原-酶联免疫吸附试验
The study was conducted in 45 children aged 7-14 years in Nigeria and 10 normal controls in non-endemic North American countries. Urine samples were used for parasitemic identification. Serum samples were obtained from patients with positive urinary eggs. According to the number of patients with ovum 10ml urine grouping. Group 1, containing 1 to 100 eggs, a total of 7 cases; group 2, containing eggs from 101 to 250, a total of 11 cases; group 3, containing more than 250 eggs, a total of 9 cases. Epidemic control group of 18 cases. There are two ways to use and antigen: (1) crude Egyptian Schistosoma japonicum soluble egg antigen - enzyme-linked immunosorbent assay