This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': "Vaccine prepared by embryonated Hen's egg are - \nSelect and explain. \nA. Measles, B. Rabies, C. Rubella, D. Varicella", 'role': 'user'}, {'content': "Answer: B \nExplanation: Embryonated egg provide a better yield of rabies virus and were used for the preparation of the inactibated non neural rabies vaccine. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:434", 'role': 'assistant'}]