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
The most practical way of treating typoid carrier is - 
Select and explain. 
A. Cholecystectomy, B. Chemotherapy, C. Vaccination, D. Isolation
B: Chemotherapy
Answer: B: Chemotherapy 
Explanation: <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>