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': 'Foam cells are seen in infection with which virus ? \nSelect and explain. \nA. Measles, B. EBV, C. Molluscum contagiosum, D. RSV', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., EBV EBV encephalomyelitis shows :Abnormal white matter with perivascular infiltrates of inflammatory cells and foam cells.Some myelin is replaced by lipid-filled macrophages and hyperplastic astrocytes.", 'role': 'assistant'}]