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': 'JE virus life cycle in nature run between ? \nSelect and explain. \nA. Pigs-Mosquito, B. Cattle-Birds, C. Pigs-human, D. Bird-Pigs', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The natural cycles of JE vrirus are:-\na. Pig → Mosquito → Pig\nb. Ardeid bird → Mosquito → Ardeid bird\nJapanese encephalitis\nCaused by a group B arbovirus (flavivirus)\n\xa0It is a Zoonotic disease i.e., infecting mainly animals and incidentally man.\nIn the south, epidemics have occurred in Karnataka, Andhra Pradesh. Tamil Nadu, and Kerala.\nVector → mosquito (Culex tritaeniorhynchus) that breeds in rice fields.\n\xa0Hosts\nPigs → Amplifiers\nCattle and buffalos → Mosquito attractants\nMan → Incidental dead-end host\nHerons → Reservoir hosts\nCycles\na. Pig → Mosquito → Pig\nb. Ardeid bird → Mosquito → Ardeid bird\nIncubation period → 5-35 days.', 'role': 'assistant'}]