结果：减少了发生职业暴露的机会。
目的预防医院中hiv的职业暴露感染。
Objective To prevent HIV infection when occupational people worked in the hospital.
绝大部分职业性癌症暴露风险都可以预防。
Most of the exposure risks for occupational cancer are preventable.
绝大部分职业性癌症暴露风险都可以预防。
Most of the exposure risks for occupational cancer are preventable.
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