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': 'Chicken pox is a common disease of childhood. It is caused by which of the following viruses? \nSelect and explain. \nA. Cytomegalovirus, B. Rotavirus, C. Varicella-zoster virus, D. Adenovirus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Varicella-zoster virus is a herpesvirus. Chickenpox is a highly contagious disease of childhood that occurs in the late winter and early spring. It is characterized by a generalized vesicular eruption with relatively insignificant systemic manifestations.', 'role': 'assistant'}]