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': 'Which of the following is a killed vaccine? \nSelect and explain. \nA. Rabies, B. Yellow fever, C. Rota virus, D. Small pox', 'role': 'user'}, {'content': 'Answer: A \nExplanation: LIVE KILLED TOXOID CONJUGATED RECOMBINANT Small pox Chicken Pox Influenza Virus Diptheria HaemophilusInfluenza Human papilloma virus vaccine, 4 capsid proteins Rota Virus Polio Peussis Pneumococcus Polio Hepatitis A Virus Hepatitis B Measles Peussis Mumps Rubella Influenza Yellow Fever Ref : Ananthanarayana textbook of Microbiology 9th edition Pgno : 83', 'role': 'assistant'}]