在已达到消灭血吸虫病标准的泰兴市和已达到基本消灭标准的昆山市各为8000余人的2个社区,分别发现隐匿性血吸虫感染111例和74例,预期人群感染检出率分别为2.4％及1.69％。患者检出率为0.04％及0.37％。用COPT、IHA、ELISA和IESA 4种方法检测血清特异性抗体,2项及2项以上同时阳性者达40.0％,吡喹酮抗虫治疗后1年,COPT呈下降趋势。 In Taixing City, which has reached the standard of eradicating schistosomiasis, and in 2 communities, each of which is more than 8,000 in Kunshan, which has basically eliminated the standard, 111 cases and 74 cases of occult schistosome infection were found respectively. The expected prevalence of infection in the population was 2.4% And 1.69%. Patient detection rates were 0.04% and 0.37%. Serum-specific antibodies were detected by 4 methods of COPT, IHA, ELISA and IESA, with 40% of 2 and more than 2 concurrent positives. COPT showed a decreasing trend at 1 year after praziquantel treatment.