Unverified50% confidenceFactExact time
BSL体系由美国疾病控制与预防中心（CDC）和美国国立卫生研究院（NIH）共同制定,将实验室从BSL-1到BSL-4分为四个等级
1
Sources
50%
Confidence
Long-term
Relevance
9/7/2026
First Seen
Sources
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