This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is given as live oral vaccine \nSelect and explain. \nA. B.C.G, B. Measles, C. Typhoid, D. Rabies', 'role': 'user'}, {'content': 'Answer: C \nExplanation: . Ghai essential of pediatrics, eighth edition, p.no:189 Typhoid vaccine(s.typhi Ty21a) is given as live oral vaccine', 'role': 'assistant'}]