zhè zhǒng / yì miáo / hán yǒu / miè huó / de / bìng dú / kàng yuán / néng / yǒu xiào / jī fā / miǎn yì / fǎn yìng这种疫苗含有灭活的病毒抗原,能有效激发免疫反应。This vaccine contains inactivated viral antigens and can effectively stimulate an immune response.