This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Medicine
The chance that a health worker gets HIV from an accidental needle prick is- 
Select and explain. 
A. 1%, B. 10%, C. 95%, D. 100%
A: 1%
Answer: A: 1% 
Explanation: Ans. is 'a' i.e., 1% o Risk of transmission after different route varies, i.e. chances of transmission of HIV per exposure : Blood and blood products have highest risk (> 90%) > tissue and organ donation (50-90%) > mother to child transmission (30%) > Needle and sharp instruments (0[?]5-1%) > sexual intercourse (0[?]1-1%).