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: Microbiology
[{'content': 'Pigs are important source of: \nSelect and explain. \nA. Japanese encephalitis, B. Kuru, C. Yellow fever, D. Rabies', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Japanese encephalitis virus:\xa0\n\nJE virus is a flavivirus, which causes JE, the most common cause of epidemic encephalitis. Birds and pigs are two main reservoir hosts.\xa0\nJE is transmitted to humans by certain species of Culex mosquitoes widely prevalent in rice fields in Asia.\n\nParija SC. Textbook of Microbiology & Immunology. Elsevier Health Sciences; 2014. Page:539', 'role': 'assistant'}]