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
Contact isolation is done for: 
Select and explain. 
A. Mumps, B. MRSA, C. Diphtheria, D. Typhoid
B: MRSA
Answer: B: MRSA 
Explanation: 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.