Noxious, malignant, poisonous
phages of virulent.
this bacteria is virulent strain
Virulent means very posinous or dangerous.
virulent
he came down with a virulent type of disease
Smallpox is a virulent disease.
Virulent means actively poisonous. You could use it in a sentence as, "the man had a virulent snake bite."
The judge had a virulent criticism after his affair with the intern.
Virulence is the state of being virulent, that is, highly infectious, malignant or deadly.
Virulent bacteria are ones that are able to cause disease. Examples of potentially virulent bacteria are Staphylococcus aureus and Neisseria gonorrhea.
I think that polio was virulent before 1955 when the vaccine was developed. Now, I think, since we have developed a vaccine, it isn't as virulent.
capsule increases poisonous effect of bacteria thus cause more diseases so capsulated bacteria are virulent