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为了解基本消灭血吸虫病地区人群特异性抗体水平，分析流行趋势，为防治工作提供决策依据。为此，对已达基本消灭标准的有关流行村进行了IHA检测。1居民IHA阳性率应检5266人，实检4800人，受检率为91．2％，IHA阳性者（滴度≥1：10为阳性，下同）272例，阳性率为5．7％。其中无
In order to understand the population-specific antibody levels in areas where schistosomiasis is basically eliminated, the epidemic trend was analyzed to provide a basis for decision-making on prevention and treatment. To this end, IHA testing has been conducted on the endemic villages that have reached the standard of basic elimination. 1 residents IHA positive rate should be seized 5266 people, the actual test 4800, the detection rate was 91.2%, IHA positive (titer ≥ 1: 10 is positive, the same below) 272 cases, the positive rate was 5.7% . None of them