extreme harmfulness (as the capacity of a microorganism to cause disease); "the virulence of the plague"
The quality or property of being virulent The disease producing power of the organism; i e , the ability of the microorganism to invade and injure the tissues of its host See pathogenicity
The measure of how many organisms, or how much exposure to an organism, is required to cause disease For instance Shigella can be caused by as little as a few bacteria, while E Coli can require millions of bacteria to cause problems
Virulence is great bitterness and hostility. The virulence of the café owner's anger had appalled her
extreme hostility; "the virulence of the malicious old man" extreme harmfulness (as the capacity of a microorganism to cause disease); "the virulence of the plague
The proportion of persons with clinical disease, who after becoming infected, become severely ill or die
The virulence of a disease or poison is its ability to harm or kill people or animals. Medical authorities were baffled, both as to its causes and its virulence