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HOST DEFENS13 - test can be used to ascertain population...

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HOST DEFENSES: Humoral immunity (antitoxin) is important in preventing disease. EPIDEMIOLOGY: Diphtheria exists throughout the world and occasional outbreaks occur almost yearly. The Schick
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Unformatted text preview: test can be used to ascertain population risk. This test involves the injection of a minute amount of the diphtheria toxin under the skin. The absence of a reaction indicates immunity....
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