This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
All of the following vaccine are recommended for elderly travelers, except- 
Select and explain. 
A. Influenza, B. Pneumococcal, C. Tetanus, D. Measles
D: Measles
Answer: D: Measles 
Explanation: .