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
Breteau index is used for 
Select and explain. 
A. Aedes, B. Anopheles, C. Hook  - worm infection, D. Hard tick
A: Aedes
Answer: A: Aedes 
Explanation: None