This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Social & Preventive Medicine
Mass chemoprophylaxis in an endemic area is given for all except? 
Select and explain. 
A. Leprosy, B. Yaws, C. Trachoma, D. Filariasis
A: Leprosy
Answer: A: Leprosy 
Explanation: Mass chemoprophylaxis is not given for preventing leprosy Ref : Park's Textbook of Preventive medicine