Medical term:
virulence
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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
vir·u·lence
(vir'yū-lĕns),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.
[L. virulentia, fr. virulentus, poisonous]
Farlex Partner Medical Dictionary © Farlex 2012
virulence
Epidemiology The proportion of persons with clinical disease, who after infection, become severely ill or die. See Neurovirulence.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
vir·u·lence
(vir'yū-lĕns)The disease-evoking power 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.
[L. virulentia, fr. virulentus, poisonous]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
virulence
The capacity of any infective organism to cause disease and to injure or kill a susceptible host.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
virulence
the collective properties of an organism that render it pathogenic to another one, the host.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
vir·u·lence
(vir'yū-lĕns)The disease-evoking power of a pathogen.
[L. virulentia, fr. virulentus, poisonous]
Medical Dictionary for the Dental Professions © Farlex 2012
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