An official website of the United States government.

The .gov means it's official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you're on a .gov or .mil site by inspecting your browser's address (or "location") bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that's been signed by the U.S. government. The https:// means all transmitted data is encrypted - in other words, any information or browsing history that you provide is transmitted securely.

Thesaurus Search Results

virulence
Subject Category
H Health and Pathology
S Biological Sciences
Definition
The degree of pathogenicity within a group or species of microorganisms or viruses as indicated by case fatality rates and/or the ability of the organism to invade the tissues of the host. The pathogenic capacity of an organism is determined by its virulence factors.
Definition Source
Medical Subject Headings 2012
RDF/XML Format:
http://lod.nal.usda.gov/nalt/46767.rdf
Persistent URI:
http://lod.nal.usda.gov/nalt/46767
Used For
hypovirulence
virulence factor
Broader Term
pathogenicity
Related Term
avirulent strains
type V secretion system
type VI secretion system
virulent strains
Spanish
virulencia
Term Number
46767