This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infection, Subject name: Medicine
[{'content': 'What is the drug of choice for scrub typhus? \nSelect and explain. \nA. Erythromycin, B. Doxycycline, C. Ciprofloxacin, D. Linezolid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Patients are treated with: 1. Doxycycline 100mg BD for 2 weeks 2. Azithromycin 500 mg OD for 3 days 3. Chloramphenicol 500mg QID for 2 weeks', 'role': 'assistant'}]