Microbiology: A Systems Approach
Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 16, Problem 2MCQ
Summary Introduction

Introduction:

Allergies are the conditions caused by hypersensitivity of the immune system to substances which are usually harmless in the environment. These allergens activate the immune cells to produce immune response against them, even if they are harmless.

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