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': 'Most sensitive diganostic test for dengue is? \nSelect and explain. \nA. IgMELISA, B. Complement fixation test, C. Neutralization test, D. Electron microscopy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: IgM antibody provides early diagnosis,the IgM ELISA test offers reliable diagnosis REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.523', 'role': 'assistant'}]