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Vir·u·lence

/ˈvir(y)ələns/

noun
- 1. the severity or harmfulness of a disease or poison: "the proportion of birds which die depends on the virulence of the virus"
- 2. bitter hostility; rancor: "he was clearly pained by the virulence of the attacks"
Scrabble Points: 14
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Virulence
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Degree to which a pathogen is capable of infecting or damaging its host
Virulence is a pathogen's or microorganism's ability to cause damage to a host. In most, especially in animal systems, virulence refers to the degree of damage caused by a microbe to its host. The pathogenicity of an organism—its ability to cause disease—is determined by its virulence factors. In the specific context of gene for gene systems, often in plants, virulence refers to a pathogen's abili... Wikipedia
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