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: Medicine
There has been an outbreak of infections caused by methicillin resistant Staphylococcus aureus in the surgical intensive care unit. The most effective means of limiting the spread is - 
Select and explain. 
A. Treatment with cephalosporins to which most strains are sensitive, B. Treatment with naficillin and gentamicin, which have a synergistic effect, C. Use of high-dose naficillin alone and isolation, D. Treatment with glycopeptide
D: Treatment with glycopeptide
Answer: D: Treatment with glycopeptide 
Explanation: None