This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Newer Influenza vaccine- \nSelect and explain. \nA. Split - virus vaccine, B. Conjugate vaccine, C. Live attennuated vaccine, D. Killed vaccine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p> Newer vaccines for influenza are Split virus vaccine Neuraminidase specific vaccine Recombinant vaccine. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:155. <\\p>', 'role': 'assistant'}]