This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
[{'content': 'All are louse borne diseases except: \nSelect and explain. \nA. Epidemic relapsing fever, B. Epidemic typhus, C. Endemic typhus, D. Trench fever', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Endemic typhusFlea borne endemic typhus is caused by Rickettsia typhi. Trench fever - Bartonella Quintana, Epidemic relapsing fever -Borrelia recurrentis, Epidemic typhus - Rickettsia prowazekii', 'role': 'assistant'}]