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为了解我省部分县首次应用三价液体脊髓灰质炎疫苗(OPV)开展强化免疫后的Polio抗体水平,我们于1992年2～4月,对资阳县30名1～10个月无脊髓灰质炎糖丸免疫史的儿童,连服2次疫苗,每次间隔1个月。疫苗系南斯拉夫贝尔格莱德免疫与病毒学研究所生产,批号2165/91,效价为7.25TCID_(50)/ml。免前及2次免疫后1月各采血1次。用全国计划免疫监测标化会议规定的方法检测Polio抗体水平。结果,免前3个型的阳性率分别为
In order to understand the Polio antibody level after the first immunization with trivalent liquid poliovirus vaccine (OPV) in some counties in our province, from February to April 1992, 30 polio antibodies from January to October in Ziyang County Children with history of candy immunization, and even served two vaccines, each interval of 1 month. The vaccine was produced by the Institute of Immunology and Virology, Belgrade, Yugoslavia at a batch number of 2165/91 with a titer of 7.25 TCID 50 / ml. Free before and after 2 immunization in January each blood 1 time. The level of Polio antibody was measured by the method prescribed by the National Plan for Immunization Surveillance and Standardization. Results, the first three types of positive rates were