PRESCOTT'S MICROBILOGY
PRESCOTT'S MICROBILOGY
11th Edition
ISBN: 9781264075515
Author: WILLEY
Publisher: MCG
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Chapter 43.1, Problem 3CC
Summary Introduction

Microorganisms whose occurrence in water specifies the presence of pathogens are called indicator organisms. These microorganisms are non-pathogenic and are usually present in contaminated water. These can be noticed even at low concentrations. One of the most widely used indicator organism is Escherichia coli. It is important to note that indicator organisms are not necessarily pathogenic, but it can be toxic when consumed at a high level.

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