题目内容

终末消毒是指（）

A. 对现在存在或增加存在过传染源的疫源地进行消毒
B. 传染源因住院、转移、死亡而离开疫源地后对疫源地进行的消毒
C. 在未发现传染源的情况下对有可能被病原体污染的物品、场所等进行的消毒
D. 消除或杀灭外界环境中存活的病原体
E. 传染源还在疫源地时进行的消毒

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