This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
[{'content': 'Antibody used in treatment of RSV infection \nSelect and explain. \nA. Omalizumab, B. Palivizumab, C. Rituximab, D. Daclizumab', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref Harrison 19 th ed pg 923,1206 Palivizumab is a recombinant humanized,monoclo mon IgG antibody directed against the RSV fusion protein.', 'role': 'assistant'}]