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。