This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'An infant develops a cough and fever. The X-ray examination is suggestive of bronchopneumonia. All of the following viruses can be the causative agent except – \nSelect and explain. \nA. Parainfluenza viruses, B. Influenza virus A, C. Respiratory syncytial virus, D. Mumps virus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The peak attack for viral pneumonia is between the age of 2nd and 3rd years and decrease thereafter.\n\nViruses causing pneumonia are -\n\nRSV\nInfluenza\nAdenovirus\nRhinovirus\nParainfluenza virus', 'role': 'assistant'}]