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': 'All are true about dengue fever, except: \nSelect and explain. \nA. Most common arboviral disease, B. Its both endemic and epidemic, C. Unaffected by ambient temperature, D. Self limiting', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dengue can occur in epidemic and also as endemic. Mosquitoes kept at 260 C fail to transmit the DEN-2 virus so low incidence in ceain seasons explained. Ref: Park, 20th Edition, Pages 220-21', 'role': 'assistant'}]