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目的 为改进ＭＭＲ（麻疹－腮腺炎－风疹）和ＭＲｕ（麻疹－风疹）联合疫苗中麻疹病毒的滴定方法。方 法 在滴定ＭＭＲ中麻疹病毒时，将中和腮腺炎、风疹病毒改为只中和腮腺炎病毒；在滴定ＭＲ中的麻疹病毒时，不 中和风疹病毒，直接滴定。结果 中和与不中和风疹病毒对滴定联合疫苗中的麻疹病毒滴度无明显影响。结论 简化了滴定方法，并解决了无合用的风疹抗体的困难。
The aim is to improve the titration of measles virus in MMR (measles-mumps-rubella) and MRu (measles-rubella) combination vaccines. Methods In the titration of measles virus in MMR, the mumps and mumps virus were neutralized to only mumps virus, and rubella virus was not titrated when the measles virus was titrated in MR. Results Neutralization and non-neutralization of rubella virus had no significant effect on titer of measles virus in titration of combination vaccine. Conclusions Simplify the titration method and solve the difficulties of uncomplicated rubella antibodies.