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我站在长春生物制品研究所的指导下,于1977年11月,对吉铁幼儿园5～7岁儿童作了A_3型流感活疫苗的预防接种效果观察。重点探讨小剂量(常规接种剂量减半)免疫的临床反应与血清学效果。兹将观察结果报告如下。对象与方法1.对象:吉铁幼儿园5～7岁健康儿童117人。2.疫苗:A_3/京生/75～39R_2减毒株制备的疫苗,批号772—4,EID_(50)10~(-8),长春生研所出品。3.分组:随机分为三组。常规剂量组0.1毫升,小剂量组0.05毫升,对照组不给疫苗接
I stand in Changchun Institute of Biological Products under the guidance of the November 1977, Kyrgyzstan Kindergarten 5 to 7-year-old children made A_3 influenza live vaccine vaccination effect observation. Focus on the clinical response and serological effects of low dose (conventional vaccination dose halved) immunity. The observations are reported below. Subjects and methods 1. Object: Kikuya Kindergarten 5 to 7-year-old healthy children 117 people. 2. Vaccine: vaccine prepared by A_3 / Jingsheng / 75 ~ 39R_2 attenuated strain, batch number 772-4, EID_ (50) 10 ~ (-8), produced by Changchun Institute of Health. 3. Grouping: randomly divided into three groups. Conventional dose group 0.1 ml, small dose group 0.05 ml, the control group did not give vaccine access