Akademik

Virulent
Extremely noxious, damaging, deleterious, disease-causing (pathogenic). Marked by a rapid, severe, and malignant course. Poisonous, venomous. The virulence of a microorganism is a measure of the severity of the disease it causes. The word “virulent” comes from the Latin “virulentus” from “virus” meaning a slimy liquid, particularly one that is foul and poisonous.
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Extremely toxic, denoting a markedly pathogenic microorganism. [L. virulentus, poisonous]

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vir·u·lent -lənt adj
1 a) marked by a rapid, severe, and malignant course <a \virulent infection>
b) able to overcome bodily defense mechanisms <a \virulent pathogen>
2) extremely poisonous or venomous: NOXIOUS

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vir·u·lent (virґu-lənt) [L. virulentus, from virus poison] pertaining to or characterized by virulence; exceedingly pathogenic or deleterious.

Medical dictionary. 2011.