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May 26, 2013
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Definition of Virulence

Virulence: The ability of an agent of infection to produce disease. The virulence of a microorganism is a measure of the severity of the disease it causes.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=6911
Last Editorial Review: 3/19/2012

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