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': 'Which is not parenterally transmitted \nSelect and explain. \nA. HAV, B. HBV, C. HCV, D. HDV', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., HAV", 'role': 'assistant'}]