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: Microbiology
[{'content': 'Drug commonly used against enteric fever are all except- \nSelect and explain. \nA. Amikacin, B. Ciprofloxacin, C. Ceftriaxone, D. Azithromycin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Aminoglycosides are not given for enteric fever', 'role': 'assistant'}]