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
DEC Provocation test is used for 
Select and explain. 
A. Malaria, B. Filariasis, C. Guinea worm, D. Yellow fever
B: Filariasis
Answer: B: Filariasis 
Explanation: None