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 of the following does not go into chronic hepatitis stage - \nSelect and explain. \nA. HBV, B. HCV, C. HDV, D. HEY', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., HEV", 'role': 'assistant'}]