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Chapter-03 Basic Microbiology

BOOK TITLE: Hospital Sterilization

Author
1. Nagaraja Prem Anand
ISBN
9789350250693
DOI
10.5005/jp/books/11249_3
Edition
1/e
Publishing Year
2011
Pages
6
Author Affiliations
1. Bengaluru, Karnataka, India
Chapter keywords

Abstract

The study of microorganisms is called microbiology. Most microorganisms are free-living and perform useful activities that benefit both plant and animal life. Without these microorganisms, dead organic matter would not be broken down and converted into the carbon, nitrogen and sulfur compounds which animals require for their existence. All microorganisms that are capable of self-multiplication can be differentiated by their cell and typed into one of these groups. Microorganisms that cause disease are called pathogens. The measured ability of a pathogen to cause disease is called “virulence”. This degree of pathogenicity or virulence is dependant on its invasiveness, ability to produce toxins and be resistant to drugs and immunity.

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