INT F1 - VIRUS - "Violetta" - ???      
Note:	used but not chained by virusA program which attaches itself to other programs for the purpose of duplicating itself.	Viruses often (but not always) contain harmful code which is triggered by some event, after a certain number of reproductions, or on a specific date.  See also worm.
SeeAlso: INT E0"VIRUS",INT FF"VIRUS"