This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, 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. Rickettsial pox, D. Epidemic typhus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Epidemic typhus is transmitted by louse. Scrub typhus and Rickettsial pox are transmitted by mites Endemic typhus is transmitted by rat flea.', 'role': 'assistant'}]