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 Drug Administration is helpful is used/effective for all except 
Select and explain. 
A. Lymphatic Filariasis, B. Vit A Deficiency, C. Worm Infestation, D. Scabies
D: Scabies
Answer: D: Scabies 
Explanation: Answer. D. Scabies * Mass chemoprophylaxis, i.e, chemoprophylaxis given to a large number of people, is recommended in yaws, pinta, bejel, trachoma,Vit A Deficiency, Worm Infestation, malaria and filaria.