即使在猪流感爆发前,患病的日本人戴上外科手术口罩来避免传染其他人。
Even before swine flu emerged, sick Japanese donned surgical masks to avoid infecting others.
目前,HIV病毒阳性的医护人员被禁止从事大部分外科或牙科治疗,以防他们使用仪器时割破皮肤,导致血液传染。
Health workers who are HIV positive are banned from performing most surgery or dental treatment in case they cut themselves with their instruments and infect patients with their blood.
外科医生戴着口罩以防止传染病的传播。
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