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一九八二年四月选择部分人群对脊髓灰质炎活疫苗糖丸免疫的儿童1—7岁组55人、8—14岁组45人,计100人进行了脊灰抗体水平测定。每人取血0.25毫升,加入盛有0.5毫升的枸橼酸钠盐水管内,按脊灰防治手册(1973年版)介绍的方法进行检验,中和试验所用细胞为人胚肾原细胞。结果,中和抗体阳性率,1—7岁组,Ⅰ型为80.0%’Ⅱ型为78.0%;Ⅲ型为76.4%。8—14岁组,Ⅰ型53.3%;Ⅱ型73.3%,Ⅲ型48.9%。中和抗体平均滴度:1—7岁组;Ⅰ型26.45;Ⅱ型24.24;Ⅲ型13.00。8—14岁组Ⅰ型3.63;Ⅱ型
In April 1982, 55 children aged 1-7, children aged 8-14, and 45 children aged 8-14 years were enrolled in the immunization of poliovaccine livelihood vaccine in selected population. 100 people were tested for the level of poliovirus antibody. 0.25 ml of blood was taken from each person, added into 0.5 ml of sodium citrate saline solution, and tested according to the method described in the Manual of Polyp Prevention and Treatment (1973 Edition). The cells used in the neutralization test were human embryonic kidney progenitor cells. Results: The positive rate of neutralizing antibody in group 1-7 was 80.0% for type Ⅰ, 78.0% for type Ⅱ and 76.4% for type Ⅲ. 8-14 years old group, type Ⅰ 53.3%; type 73.3%, type Ⅲ 48.9%. The average titer of neutralizing antibody was 1-7 years old, type Ⅰ 26.45, type Ⅱ 24.24, type Ⅲ 13.00.8-14 years old, type Ⅰ 3.63, type Ⅱ