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我省应用间接血凝(IHA)、免疫荧光试验(IHA)和乳胶凝集试验(LA)法对重庆、成都两市和乐山、西昌、雷波、茂汶、甘孜、江油、奉节等七个县3331人进行了弓形虫病的调查。重庆市采用LA法检测672名育龄妇女,阳性率为3.13％(21/672);用IFA法检测251名正常人群,阳性率为37.85％(95/251)。其它各市县均采用IHA法对2401人进行检测,平均阳性率为9.04％,其中雷波县阳性率最高为20.56％(11/540)。茂汶县和乐山两地最低分别为0.85％(1/115)和0.90％(1/111),地区间有显著性差异。各年龄组均有不同程度的感染,除10～20岁组感染率高外(11.70％和7.79％),50～60岁年龄组的感染率亦高
In our province, seven counties including Chongqing, Chengdu and Leshan, Xichang, Leibo, Maowen, Ganzi, Jiangyou and Fengjie were investigated by indirect hemagglutination (IHA), immunofluorescence test (IHA) and latex agglutination test (LA) 3331 people conducted a survey of toxoplasmosis. In Chongqing, 672 women of childbearing age were tested by LA method. The positive rate was 3.13% (21/672). The positive rate was 37.85% (95/251) in 251 normal subjects tested by IFA. In other cities and counties, IHA method was used to test 2401 people, the average positive rate was 9.04%. The highest positive rate was 20.56% (11/540) in Leibo County. Maowen County and Leshan lowest of 0.85% (1/115) and 0.90% (1/111) respectively, with significant differences between regions. In all age groups, there were different degrees of infection. In addition to the high infection rates in the 10-20 years group (11.70% and 7.79%), the infection rates in the 50-60 years age group were also high