This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Arboviruses, Subject name: Microbiology
[{'content': 'Break bone fever is caused by: \nSelect and explain. \nA. Variola, B. Coxsackie, C. Dengue, D. Adenovirus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., DengueThe dengue virus causes classic dengue or break bone fever characterized by fever, muscle and joint pain, lymph - adenopathy and rash. In addition, it also causes dengue hemorrhagic fever, i.e., a much more severe disease than classic dengue fever with a high fatality rate.", 'role': 'assistant'}]