Microbiology Rotavirus is a double-stranded RNA virus with a double-walled capsid. Which one of the following statements best describes rotavirus? A There are no related animal viruses B It is a major cause of neonatal diarrhea C It is readily cultured from the stool of infected persons D Maternal antibody does not appear to be protective 💡 Explanation Rotavirus is a double-stranded RNA virus with a double-walled capsid. Which one of the following statements best describes rotavirus? ✓ Correct Answer: B. It is a major cause of neonatal diarrhea