目前,全世界都在积极防治甲型H1N1流感。甲型H1N1流感病毒是一种RNA

目前,全世界都在积极防治甲型H1N1流感。甲型H1N1流感病毒是一种RNA病毒,我国已研发出甲型H1N1流感疫苗并对有关人员进行了免疫接种,使许多人获得对该病的抵抗力。下列有关叙述中,正确的是

A接种甲型H1N1流感疫苗属于被动免疫

B.感染了甲型H1N1流感病毒后,人体只需细胞免疫发挥作用

C.可用经灭菌的动物细胞培养液培养甲型H1N1流感病毒,使之大量增殖

D.甲型H1N1流感病毒没有核糖体,组成其遗传物质的核苷酸只有4

答案

D

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