VIRULENCE Definition & Meaning

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virulence

[ vir-yuh-luhns, vir-uh- ]

Phonetic (Standard)IPA

noun

quality of being virulent.
Bacteriology.
1. the relative ability of a microorganism to cause disease; degree of pathogenicity.
2. the capability of a microorganism to cause disease.
venomous hostility.
intense sharpness of temper.

virulence

/ ˈ��ɪ��ʊ��ə�Բ� /

noun

the quality of being virulent
the capacity of a microorganism for causing disease

virulence

The capacity of a pathogen , such as a microorganism or toxin , to produce disease.

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Notes

“Virulent” substances or organisms are extremely pathogenic or toxic.

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�y��vlog History and Origins

Origin of virulence¹

1655–65; < Late Latin ��ī��ܱ��Գپ�� stench; virulent, -ence

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Example Sentences

Examples have not been reviewed.

They compared the genomes of EF-responsive and non-responsive strains and found that, in addition to iron acquisition genes, responsive strains had genes associated with virulence and capsule production specifically.

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That genetic twist would likely diminish H5N1’s virulence, experts predict, but no one can say how much less deadly it might become.

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Mycoviral infections are multifaceted; they can reduce or increase virulence or remain hidden without obvious symptoms.

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These virulence factors are used to differentiate one species of Streptococcus from another and are one way to distinguish samples through phenotypic analysis.

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“All the information we have now … is that there’s no difference in virulence,” said Dr. John Swartzberg, clinical professor emeritus of infectious diseases and vaccinology at UC Berkeley’s School of Public Health.

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