This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Microbiology
[{'content': 'Contact isolation is done for: \nSelect and explain. \nA. Mumps, B. MRSA, C. Diphtheria, D. Typhoid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Contact isolation is done for methicillin-resistant staphylococcus auerus. MRSA should not be touched with bare hands because risk of infectivity is very high. MRSA is produced due to alteration of penicillin binding proteins in the gene mec A. The drug of choice for MRSA is vancomycin.', 'role': 'assistant'}]