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
There is an outbreak of MRSA infection in a ward. What is the best way to control the infection- 
Select and explain. 
A. Vancomycin given emperically to all the patients, B. Fumigation of ward frequently, C. Washing hand before & after attending patient, D. Wearing mask before any invasive procedure in ICU
C: Washing hand before & after attending patient
Answer: C: Washing hand before & after attending patient 
Explanation: None