问题 单项选择题

以下属于DNA病毒的是()

A.HAV

B.HBV

C.HCV

D.HDV

E.HEV

答案

参考答案:B

解析:所列的五种常见的病毒性肝炎的病原,仅HBV属于DNA病毒,其余均为RNA病毒。

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问答题 简答题