传染病基本特征是A.有传染性B.有病原体C.均有后遗症D.有流行性或地区性E.有感染后免疫

作者: rantiku 人气: - 评论: 0
问题 传染病基本特征是
选项 A.有传染性 B.有病原体 C.均有后遗症 D.有流行性或地区性 E.有感染后免疫
答案 ABDE
解析

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