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
Burden of malaria is best estimated by ? 
Select and explain. 
A. Mosquito rate, B. API, C. Parasite rate, D. SPR
B: API
Answer: B: API 
Explanation: Ans. is 'b' i.e., API o API is a sophasticated measure of malaria incidence in a community. o Areas with API 2/1000 population per year have been classified as high risk area in India and thereby eligible for vector control.