2022年6月16日 · As per the CDC, biosafety levels are of four types depending on the risk associated with the microorganism and the facilities available. The levels of containment range from the biosafety level 1 (BSL-1), which is the lowest to the level 4 (BSL-4), which is the highest.

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2022年11月3日 · Biological safety levels — often abbreviated to biosafety levels or BSL — are a series of protections specific to autoclave-related activities that take place in biological labs. Biosafety levels are individual safeguards designed to protect laboratory personnel, as well as the surrounding environment and community.

The descriptions of biosafety levels (BSL) 1 – 4 parallel those in the NIH Guidelines for research involving recombinant DNA. The BSL categories are divided up by risk of disease combined with availability of preventive and therapeutic treatments.

2001年8月2日 · 本专栏为BSL最新版本汉化专栏，曾为BSL开发版本的汉化专栏. 因BSL开发版本释出规则变动，且开始分风格释出双版本. 从8.3版本起本专栏改为最新公开版本BSL的汉化专栏发布地. 如无意外（Original和Classic两种风格都可使用汉化） 历史版本BSL的汉化请查看： 网页链接

In the United States, the designations BSL-1, BSL-2, BSL-3, and BSL-4 describe the minimum safe work practices, specially designed buildings, and safety equipment required to conduct work on infectious microorganisms and other biological hazards. BSL-4 is the highest biosafety level.

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