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Definition: Microorganisms and infectious agents

Effective 8 August 2019



Infectious agent

Infectious agents include any of the following:

                     (a)  a virus;

                     (b)  a prion;

                     (c)  a plasmid;

                     (d)  a viroid;

                     (e)  genetic material coding for an infectious agent.


Microorganism includes any of the following:

                     (a)  a single‑celled organism (whether an animal or a plant);

                     (b)  a bacterium;

                     (c)  a protozoan;

                     (d)  a fungus;

                     (e)  a plant pathogen.

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