This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Most common catheter induced blood infection is due to- 
Select and explain. 
A. Staphylococcus aureus, B. Coagulase negative staphylococci, C. Gram negative bacilli, D. Candida
B: Coagulase negative staphylococci
Answer: B: Coagulase negative staphylococci 
Explanation: Coagulase-negative Staphylococcus (CoNS) is the most commonly encountered organism in CRBSIs( catheter related and blood stream infections) causing between 11% and 45% of infections with an incidence of 15.8 per 10,000 hospital admissions Ref Harrison20th edition pg 1011