A virus or bacteriophage capable only of lytic growth, as opposed to temperate phages establishing the lysogenic response.
Referring to the ability of a microorganism to cause a disease.
Referring to a disease which develops rapidly and has strong effects.
Highly toxic or intense disease- producing quality of a pathogen.
Possessing the characteristics of a toxin; exhibiting intense or forceful actions.
Possessing poisonous qualities; intensely harmful or violent in effect.