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What is Ability of an organism to induce clinically apparent illness is known as: and explain in detail?
Infectivity: It is the ability of an infectious agent to invade and multiply in a host. Pathogenicity: It is the ability of an organism to induce clinically apparent illness. Virulence: It is the propoion of clinical cases resulting in severe clinical disease. Ref: Park, 21st Edition, Page 34.