Major human Oncogenic Viruses 口 DNA VIRUSES . Small dNA tumor viruses Adenovirus Hepatitis virus B(HBV馨 Human Papilloma virus(HPv) 6 Merkel cell polyma virus(MCV, JCv) 6 .Herpesviruses(large) Epstein Barr virus(EBv) Kaposis Sarcoma Herpesvirus(KSHV) 口 RNA VIRUSES Human T-cell Leukemia Virus 1(HTLV1) Hepatitis virus C (HCv HIVMajor human Oncogenic Viruses  DNA VIRUSES •Small DNA tumor viruses - Adenovirus - Hepatitis virus B (HBV) - Human Papilloma virus (HPV) - Merkel cell polyma virus (MCV, JCV) •Herpesviruses (large) - Epstein Barr virus (EBV) - Kaposi’s Sarcoma Herpesvirus (KSHV)  RNA VIRUSES - Human T-cell Leukemia Virus 1 (HTLV1) - Hepatitis virus C (HCV) - HIV