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: Social & Preventive Medicine
Which of the following is a Live vaccine - 
Select and explain. 
A. Salk polio vaccine, B. HDCV, C. Hepatitis B vaccine, D. 17-D Vaccine
D: 17-D Vaccine
Answer: D: 17-D Vaccine 
Explanation: Ans. is 'd' i.e., 17-D vaccine