Abstract
Viruses are estimated to cause between 15% and 20% of all reported cancer cases. There areseven known human oncoviruses: Epstein-Barr Virus (EBV), Hepatitis B Virus (HBV), HumanPapillomavirus (HPV), Human T-Cell Leukemia Virus Type 1 (HTLV-1), Hepatitis C Virus(HCV ), Human Herpesvirus 8 (KSHV) and Merkel Cell Polyomavirus (MCV). These virusescan lead to uncontrolled cell growth and the d…