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A biosafety level (BSL), or pathogen/protection level, is a set of biocontainment precautions required to isolate dangerous biological agents in an enclosed laboratory facility. The levels of containment range from the lowest biosafety level 1 (BSL-1) to the highest at level 4 (BSL-4).
Biosafety level 4 laboratories are designed for diagnostic work and research on easily respiratory-acquired viruses which can often cause severe and/or fatal disease. What follows is a list of select agents that have specific biocontainment requirements according to US federal law.
Risk Group 1: (no or low individual and community risk) A microorganism that is unlikely to cause human or animal disease. [12] Risk Group 2 : (moderate individual risk, low community risk) A pathogen that can cause human or animal disease but is unlikely to be a serious hazard to laboratory workers, the community, livestock or the environment ...
Primary containment requires using proper storage containers, good microbiological technique, and the use of appropriate safety equipment such as biological safety cabinets. Secondary containment is the protection of the environment external to the laboratory from exposure to infectious materials and is provided by a combination of facility ...
A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can adversely affect human health. A biohazard could also be a substance harmful to other living beings. [a]
The FDA later classified the situation as a Class I recall, the highest risk level for infection, suggesting "a reasonable probability" that a recalled product "will cause serious adverse health ...
Pages in category "Biosafety level 4 laboratories" The following 33 pages are in this category, out of 33 total. This list may not reflect recent changes. *
Josh Hubbard scored 21 points as No. 17 Mississippi State smothered visiting South Carolina in an 85-50 rout in both teams' Southeastern Conference opener Saturday in Starkville, Miss.