This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Microbiology
[{'content': 'Which of the following is an amplifying host for Japanese encephalitis: \nSelect and explain. \nA. Pig, B. Herons, C. Horse, D. Egrets', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Japanese Encephalitis Virus- Amplifying host- Pig Reservoir- Egrets, Herons Vector- Culex tritaeniorhynchus (Most common in worldwide) C.vishnui (Most common in India)', 'role': 'assistant'}]