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: Pediatrics
[{'content': 'An infant develops cough and fever. Chest X-ray is suggestive of broncho-pneumonia. All of the following viruses can be the causative agents except: \nSelect and explain. \nA. Parainfluenza viruses, B. Influenza virus A, C. Respiratory syncytial virus, D. Mumps virus', 'role': 'user'}, {'content': "Answer: D \nExplanation: d. Mumps virus(Ref: Nelson's 20/e p 2088-2093, Ghai 8/e p 379-381)Viral causes of pneumonia in children:Of the respiratory viruses, respiratory syncytial virus (RSV) and rhinoviruses are the most common;Others include influenza virus, parainfluenza, adenoviruses, enteroviruses and human metapneumovirus.", 'role': 'assistant'}]