This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'The most practical way of treating typoid carrier is - \nSelect and explain. \nA. Cholecystectomy, B. Chemotherapy, C. Vaccination, D. Isolation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: <p> The carrier should be given an intensive course of ampicillin or amoxycillin together with probenecid for 6 weeks. These drugs are concentrated in the bile and may achieve eradication of the carrier state in about 70% of carriers. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:237. <\\p>', 'role': 'assistant'}]