病びょう原げん性せいMeaningsNoun1. pathogenicity; virulenceKanji used病illness原original性nature (of a person)Composed of病びょう原げんorigin of an illness; cause of a disease; pathogenesis; etiologyNoun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun