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 treatment strategy is for treating- 
Select and explain. 
A. Plague, B. Filariasis, C. Cholera, D. Diphtheria
B: Filariasis
Answer: B: Filariasis 
Explanation: None