virulence

virulence /vir·u·lence/ (vir´u-lens) the degree of pathogenicity of a microorganism as indicated by the severity of disease produced and the ability to invade the tissues of the host; by extension, the competence of any infectious agent to produce pathologic effects.vir´ulent

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vir·u·lence (vîry-lns, vîr-)

n.

1. The quality of being poisonous.

2. The capacity of a microorganism to cause disease.

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virulence

[vir′yələns]

Etymology: L, virulentus, poisonous

the power of a microorganism to produce disease.

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virulence [vir´u-lens]

the degree of pathogenicity of a microorganism as indicated by case fatality rates and/or its ability to invade the tissues of the host; the competence of any infectious agent to produce pathologic effects. adj., adj vir´ulent.

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virulence (vir´ylns),

n the power of a microorganism to produce disease.

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virulence

the degree of pathogenicity of a microorganism as indicated by case fatality rates and/or its ability to invade the tissues of the host; the competence of any infectious agent to produce pathological effects.

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virulence alteration

attenuation (2).

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virulence

Epidemiology The proportion of persons with clinical disease, who after infection, become severely ill or die. See Neurovirulence.