Microbiology: An Introduction
Microbiology: An Introduction
11th Edition
ISBN: 9780321733603
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: Benjamin Cummings
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Chapter 15, Problem 1R

Compare pathogenicity with virulence.

Expert Solution & Answer
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Summary Introduction

To compare:

Pathogenicity with virulence.   

Introduction:

Illnesses in an individual is caused either by disturbing the normal metabolic activity of the host or by inducing the host’s immune system to produce a response. Pathogenic bacteria have developed a wide range of mechanisms to infect the human system. Such pathogens have the ability to colonize and invade organs of the human system, thus eventually leading to serious diseases.

Explanation of Solution

Microorganisms that have the ability to cause infectious diseases are referred to as pathogens. This ability of a microbe is denoted by the term pathogenicity. Such pathogenic microorganisms include bacteria, fungi, virus, and protozoa. The term virulence denotes the extent of pathogenicity of a particular pathogenic microorganism. 

Conclusion

Pathogenicity refers to the ability of a microbe to cause infectious diseases, while the level of pathogenicity is referred to as virulence.

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Distinguish between pathogenicity and virulence.
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