Objective to identify live attenuated hepatitis a (HAV) vaccine virus seed and detect adventitious agents, monoclonal antibody is used to neutralize instead of human and rhesus monkey immune serum.

目的利用单克隆抗体代替常规的人、猴免疫血清进行甲型肝炎减毒活疫苗毒种外源因子检查及鉴别试验。

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The incremental process involves finding a good vaccine candidate, reassessing and testing the virus, developing seed vaccines and ensuring their safety.

CNN: CDC: Cases of new swine flu strain rising