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': 'Rubella vaccine is given in which age - \nSelect and explain. \nA. 1-14 yrs, B. < 5 yrs, C. > 50 yrs, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The first priority is to protect women of child bearing age (15 - 34 or 39) years of age\nImmunization strategy to prevent congenital Rubella infection\n\nFirst priority is to protect women of child bearing age (15 - 34 or 39 years)\nNext priority is to vaccinate all children currently 1 - 14 years of age (to intercept transmission)\nNext priority is to vaccinate all children at one year of age (To intercept transmission)\nThe programme would then revert to one of routine universal immunization of all children at age one, preferably using combined Measles - Rubella or MMR vaccines', 'role': 'assistant'}]