This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
Vertebrate reservoir of Japanese encephalitis is: 
Select and explain. 
A. Rat, B. Pig, C. Horse, D. Monkey
B: Pig
Answer: B: Pig 
Explanation: (B) Pig > Pigs are vertebrate reservoirs as well as amplifier hosts for Japanese encephalitis virus.