definitions - virulence The disease-evoking severity of a...

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infectivity The characteristic of a disease agent that embodies capability of entering, surviving in, and multiplying and causing disease in a susceptible host. The proportion of exposures in defined circumstances that result in infection. pathogenicity The condition or quality of being pathogenic, or the ability to cause disease.
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Unformatted text preview: virulence The disease-evoking severity of a pathogen; numerically expressed as the ratio of the number of cases of overt infection to the total number infected, as determined by immunoassay. toxinogenicity The capacity to produce toxin Antigenicity The state or property of being antigenic....
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This note was uploaded on 07/22/2011 for the course PTA 1001 taught by Professor Rice during the Spring '11 term at South University Online.

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