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用1:1,000的华支睾吸虫抗原进行ELISA观察了病原确诊的华支睾吸虫病人血中的抗体水平,以及其治疗前后抗体的变化。所有病人均系广东南海糖厂职工,经用甲醛乙醚浓集法粪检发现虫卵,同时并进行虫卵计数,按每g粪内的虫卵几何平均数分为轻度(<500)、中度(501～4,999)及重度(>5,000)感染。对治疗后观察的病例,系于治疗后4个月时连续三次浓集法粪检均为阴性的作治愈统计,并采血样进行检测,与治疗前进行比较。抗原
The level of antibody in the blood of Clonorchis sinensis patients diagnosed by pathogen was analyzed by ELISA with 1: 1,000 Clonorchis sinensis antigen, and the change of antibody before and after treatment was also observed. All patients were employees of Guangdong Nanhai Sugar Factory. The eggs were found by fecal formaldehyde concentration method and counted for eggs at the same time. They were divided into mild (<500) according to the geometric mean of eggs per g feces, Moderate (501 ~ 4,999) and severe (> 5,000) infections. The cases observed after treatment were cured by three consecutive three times of concentrated fecal tests at 4 months after treatment, and the blood samples were taken for detection and compared with those before treatment. antigen