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': 'Parvovirus causes - \nSelect and explain. \nA. Erythema infectiosum, B. Exanthema subitum, C. Roseola infantum, D. Sixth disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: parvovirus B19 causes erythema infectiosum REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.554', 'role': 'assistant'}]