WHO《实验室生物安全手册》（第4版草案）简介
Introduction of Laboratory biosafety manual （4th edition draft） by WHO
摘要：
介绍了WHO《实验室生物安全手册》（第4版草案）的主要内容，重点分析了其修订的内容和思路，包括取消生物安全水平分级，强调加强风险评估，通过“核心要求”“加强控制措施”和“最高防护措施”来进行生物安全防护。分析了该草案对我国生物安全实验室的标准制定和规划建设可能产生的影响。
关键词：实验室,生物安全,手册,生物安全水平,风险评估
Abstract：
Presents the main content of Laboratory biosafety manual (4th edition draft) issued by World Health Organization（WHO）. Emphasizes on the analysis of the revised content and thoughts, including the biosafety level cancellation, the risk assessment enhancement, and the biosafety protection by core requirements, heightened control measures and maximum containment measures. Analyses the potential impact of the draft on standards, planning and construction of biosafety laboratories in China.
Keywords:laboratory, biosafety, manual, biosafety level, risk assessment