This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infectious disease, Subject name: Pediatrics
Number of pustules to diagnose a possible severe bacterial infection in children is? 
Select and explain. 
A. > 5, B. > 1O, C. >15, D. >20
B: > 1O
Answer: B: > 1O 
Explanation: More than 10 pustules are required to detect possible severe bacterial infection . Reference: GHAI Essential pediatrics, 8th edition