This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'All are oncogenic viruses except \nSelect and explain. \nA. HBV, B. HPV, C. EBV, D. VZV', 'role': 'user'}, {'content': "Answer: D \nExplanation: Many viruses have been implicated in the causation of cancers:\n\nA. RNA viruses\n\nAll oncogenic RNA viruses belong to family retroviridae (retroviruses).\nImportant examples are Avian leukosis virus, murine leukosis virus, murine mammary tumor virus, HIV (causing AIDS related malignancies) and Human-T-cell leukemia virus (causing Adult T-cell leukemia).\n\nB. DNA viruses\n\nDNA viruses causing cancers are:\n\n1. Papillomaviridea (HPV): Causes genital tumors, SCC and oropharyngeal carcinoma.\n2. Herpesviridae: These viruses are:\ni. HSV-2: Causes cervical carcinoma.\nii. EBV: Causes nasopharyngeal carcinoma and Burkitt's lymphoma.\niii. HHV-8: It causes Kaposis sarcoma.\n3. Hepadnaviridae (HBV): It causes hepatocellular carcinoma.\n4. Flaviviridae (HCV) It causes hepatocellular carcinoma.", 'role': 'assistant'}]