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': 'ROTA virus is diagnosed by - \nSelect and explain. \nA. IgM specific antibody in stool, B. ELISA demonstrates antibody in stool, C. Immunoflorescene antigen in stool, D. Culture of rotavirus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: for demonstration of the virus in stools are simple and and are sensitive.IgM andIgG antibodies can be demonstrated in the blood of infected children REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.561', 'role': 'assistant'}]