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
Mass prophylaxis is given for a/e- 
Select and explain. 
A. Lymphatic fillariasis, B. Vitamin A deficiency, C. Scabies, D. Worm infestation
C: Scabies
Answer: C: Scabies 
Explanation: .