<prompt> Which is NOT an oncogenic virus :HTLV-1Herpes simplexPapilloma virusHBV  <response>: Ans. is b i.e. Herpes Simplex Viruses associated with cancersFamilyVirusHuman Cancer Papova viridae Human Papilloma VirusGenital tumourssq.cell caoropharyngeal ca Herpes viridae E B virusNasopharyngeal CaAfrican Burkins Lymphoma B cell lymphoma Hepadnaviridae Hepatitis B virushepatocellular carcinoma Retroviridae HTL virusAdult T cell leukemia Flaviviridae Hepatitis C VirusHepatocellular Carcinoma But Herpes simplex viruses have also been mentioned to be oncogenic in Paniker, 6e, p534.An association has been proposed between herpes simplex type 2 infection and Cancer of the uterine cervix, though not proved. It has also been suggested that herpes simplex type I infection may be associated with cancer of the lip But still I would go with Herpes simplex as the answer because only an association has been proposed not confirmed. 