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
The chances of acquiring HIV infection following needle prick is: 
Select and explain. 
A. 0.30%, B. 3-0%, C. 0-30%, D. 0.00%
A: 0.30%
Answer: A: 0.30% 
Explanation: Ans. a. 0.3%