Answer:
True
Step-by-step explanation:
There are four biosafety levels according made to the pathogenicity of the organism. BSL-1 is used for those microbes which do not cause diseases in normal healthy person. BSL-2 is applicable for those microbes which posses moderate risk for humans and against whom therapeutic intervention is normally present in the market.
The worker who uses BSL-2 labs must be trained specifically for handling pathogenic microbes and they should be supervised by competent scientists so that any accident can be avoided. Therefore the statement is true.