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
virulence
virulence (vir´y
lns),
virulence
vir·u·lence (vîr y -lns, vîr-)n. 1. The quality of being poisonous. 2. The capacity of a microorganism to cause disease. |
virulence
[vir′yələns]
Etymology: L, virulentus, poisonous
the power of a microorganism to produce disease.
virulence (vir´y
lns),n the power of a microorganism to produce disease.
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.
virulence alteration
attenuation (2).
virulence
Epidemiology The proportion of persons with clinical disease, who after infection, become severely ill or die. See Neurovirulence.
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