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目前对麻疹活疫苗的初免年令和再免问题,尚无一致认识,今特就血清学方面1984年进行了调查,现报告如下: 一、方法:按照整群随机抽样的原则,共调查了3-10岁儿童121人,采血同时,询问和核对麻苗接种(基础免疫卡片)及患病情况。使用常规麻疹微量血凝抑制试验。麻疹血凝素由北京生物制品研究所供给,由内蒙古防疫站负责检测。用两个单位血凝素以完全抑制红血球凝集的血清最高稀释度、判定麻疹血抑抗体效价。HI抗体<1:2为阴性,≥1:2为阳性。
At present, there is no consensus on the initial exemption and remission of live measles vaccine. In this special serological survey conducted in 1984, the report is as follows: I. Method: According to the principle of random sampling in cluster, A total of 121 children aged 3 to 10 were asked to check and check the vaccination (basic immunization card) and the prevalence during the blood sampling. Use conventional measles trace hemagglutination inhibition test. Measles hemagglutinin by the Beijing Institute of Biological Products supplied by the Inner Mongolia epidemic prevention station is responsible for testing. Hemagglutination with two units to completely inhibit the highest dilution of serum red blood cell agglutination, measles blood antibody titer. HI antibody <1: 2 is negative, ≥ 1: 2 is positive.