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': 'After administrating live vaccine, immunoglobulins are given after- \nSelect and explain. \nA. 1 week, B. 2 weeks, C. 10 weeks, D. 12 weeks', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 2 weeks o Live vaccine should not be given for 12 weeks after an injection of normal human Ig and if a vaccine has already been given Ig injection should be deferred for 2 weeks.", 'role': 'assistant'}]