Hepatitis C Virus (HCV) infection is rapidly growing disease in world in general and in Pakistan in particular. In Pakistan more than 10 million persons have HCV +ve signs. Risk factors for this fatal disease included main, historic and demographic factors. Some researchers segregated few independent factors but other, include them in the category of depends. We have collected the data for Lahore (Pakistan) and analyzed this data by considering the aforesaid factors. Some results of this research do not match with the existing theories. We recommended that interaction effects of associated factors should also be considered in evaluation