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: Social & Preventive Medicine
[{'content': 'Epidemiological features are for Japanese encephalitis include all of the following except ? \nSelect and explain. \nA. The virus infects extra-human hosts, B. Man is an incidental host, C. Infected pigs manifestation, D. Epidemics have been repoed in Karnataka', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. Infected pigs manifestation o Infected pigs do not maniest any ove symptoms of illness but circulate the virus so that mosquito get infected and can transmit the virus to man. o All other options have been explained earlier.", 'role': 'assistant'}]