This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intestinal Infections, Worm Infestations, Subject name: Social & Preventive Medicine
[{'content': 'Chemoprophylaxis is indicated for all except- \nSelect and explain. \nA. Typhoid, B. Meningococcal meningitis, C. Cholera, D. Plague', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chemoprophylaxis There is no role of Chemoprophylaxis in Typhoid. For chemoprophylaxis in meningococcal meningitis, Rifampicin, Ciprofloxacin & Ceftriaxone is used. Tetracycline is used in Cholera and Plague.', 'role': 'assistant'}]