biosafety level

Noun
  1. The level of safety from exposure to infectious agents;
    Depends on work practices and safety equipment and facilities (synset 114451808)
    is a type of: grade, level, tier - a relative position or degree of value in a graded group
    subtypes:
    • biosafety level 1 - exposure only to infectious agents that do not ordinarily cause human disease
    • biosafety level 2 - exposure to infectious agents that can cause disease in humans but whose potential for transmission is limited
    • biosafety level 3 - exposure to infectious agents that can be transmitted by the respiratory route and which can cause serious infection
    • 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

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