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IDF Patient & Family Handbook for Primary Immunodeficiency ... - IDFA

IDF Patient & Family Handbook for Primary Immunodeficiency ... - IDFA

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The Immune System and<br />

<strong>Primary</strong> <strong>Immunodeficiency</strong><br />

Diseases<br />

chapter<br />

1<br />

The immune system is composed of a variety of different cell types<br />

and proteins. Each component per<strong>for</strong>ms a special task aimed at<br />

recognizing and/or reacting against <strong>for</strong>eign material.

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