This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
The breeding ground for the vectors of Japanese B virus is 
Select and explain. 
A. Paddy field, B. Mixed garbage, C. Cooler water, D. Stale food
A: Paddy field
Answer: A: Paddy field 
Explanation: Japanese encephalitis JE is a mosquito-borne encephalitis caused by group B arbovirus (Flavivirus) and transmitted by culicine mosquitoes. Zoonotic disease. Transmission occurs principally in rural agricultural location where flooding irrigation is practiced. Ref: Park&;s textbook of preventive and social medicine 23rd edition