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
All are live vaccines except - 
Select and explain. 
A. 17 - D, B. Rubella, C. Salk, D. Measles
C: Salk
Answer: C: Salk 
Explanation: Ans. is 'c' i.e., Salk Salk vaccine is killed polio vaccine. 17 D is yellow fever live vaccine.