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为了解疫苗免疫后人体内抗体消长情况,我们观察了疫苗免疫后2个月～9年人群的抗体水平,现分析如下。
In order to understand the human antibody after vaccine immunization growth and decline, we observed the vaccine immunization 2 to 9 years after the antibody population levels, are analyzed as follows.