请根据以下内容回答31题:男,28岁,自感低热、乏力、食欲不振,有盗汗、体重下降、呼吸困难、胸痛等表现,就医诊断为浸润型肺结核,收人院抗结核治疗。人院后应采用的隔离种类为( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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