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': 'Paramyxoviruses are most commonly associated with which of the following diseases? \nSelect and explain. \nA. Fifth disease, B. Rubella, C. Croup, D. Tonsillitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Both mumps and measles are well-recognized paramyxovirus infections. This group also includes parainfluenza virus, which causes laryngotracheobronchitis (croup) in children, and respiratory syncytial virus, which can cause bronchiolitis in infants. Paramyxoviruses have glycoprotein spikes that extend their lipid membrane and are responsible for hemagglutination activities.', 'role': 'assistant'}]