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': 'A man presents with fever and chills 2 weeks after a louse bite. There was a maculo-papular rash on the trunk which spread peripherally. The cause of this infection can be \nSelect and explain. \nA. Scrub typhus, B. Endemic typhus, C. Epidemic typhus, D. Rickettsial pox', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]