How To Use Biosafety level 3 In A Sentence

• M. tuberculosis in aerosol is classified by WHO as a Risk Group organism, requiring biosafety level 3 laboratory safety precautions.
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• Extending the rule to labs that handle anthrax, West Nile virus and tuberculosis, known as biosafety level 3, could affect hundreds of scientists. Newsvine - Get Smarter Here
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