biosafety level 4
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Related to biosafety level 4: biosafety level 2
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|Noun||1.||biosafety level 4 - exposure to exotic infectious agents that pose a high risk of life-threatening disease and can be transmitted as an aerosol and for which there is no vaccine or therapy|
biosafety level - the level of safety from exposure to infectious agents; depends on work practices and safety equipment and facilities