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
Mass immunization is indicated in the following, except- 
Select and explain. 
A. Leprosy, B. Cholera, C. Influenza, D. Tuberculosis
A: Leprosy
Answer: A: Leprosy 
Explanation: None