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常熟市1989年消灭血吸虫病。同年按原重、中、轻流行村进行分层抽样,以IHA法检测人群血吸虫病抗体水平。为评价巩固监测措施,1993年对原分属重、中、轻流行村的有、无血吸虫病史的居民进行了复查。材料和方法调查对象为常住居民,IHA血清稀释度为1∶10。阳性者作COPT,环沉率≥1%
Changshu City in 1989 to eliminate schistosomiasis. In the same year, stratified sampling was conducted according to the original weight, moderate and light endemic villages, and the level of antibody against schistosomiasis was determined by IHA method. In order to evaluate and consolidate the monitoring measures, residents who had no previous history of schistosomiasis were re-examined in 1993 in the villages of heavy, medium and light endemic areas. MATERIALS AND METHODS Subjects were permanent residents. The IHA serum dilution was 1:10. Positive for COPT, ring deposition rate ≥ 1%