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: Social & Preventive Medicine
[{'content': 'In Guinea worm prophylaxis, all are true, except ? \nSelect and explain. \nA. Acute search of new cases, B. Identification of carriers, C. Mass treatment with Mebendazole, D. Health education to people to use a sieve for straining drinking water', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Mass t/t with mebendazole o No drug is suitable for effective mass treatment of Dracunculiasis. o The drugs effective for t/t of cases of Dracunculiasis Niridazole Mebendazoel Metronidazole", 'role': 'assistant'}]