传染病的潜伏期是指A．自病原体侵入机体至典型症状出现B．自病原体侵入机体至排出体外C．自病原体侵入机体至临床症状开始出现D．自接触传染源至患者...

作者: rantiku 人气: - 评论: 0

问题传染病的潜伏期是指

选项 A．自病原体侵入机体至典型症状出现 B．自病原体侵入机体至排出体外 C．自病原体侵入机体至临床症状开始出现 D．自接触传染源至患者开始出现症状 E．自接触传染源至典型症状出现

答案 C

解析

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