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': 'Which of the following is true about Rotavirus - \nSelect and explain. \nA. Commonly affects children, B. Double Stranded DNA, C. Can be grown easily on cell culture, D. Egg shell appearance under electron microscope', 'role': 'user'}, {'content': 'Answer: A \nExplanation: rota virus are the commonest cause of diarrhea in infants and children the world over and account for half of the cases of children hospitalised for diarrhea REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.561', 'role': 'assistant'}]