人工被动免疫是(  )A.隐性或显性感染B.通过胎盘获得母体的抗体C.接种疫苗D.注射抗毒素E.注射类毒素

作者: rantiku 人气: - 评论: 0
问题 人工被动免疫是(  ) A.隐性或显性感染 B.通过胎盘获得母体的抗体 C.接种疫苗 D.注射抗毒素 E.注射类毒素
选项
答案 D
解析

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