<prompt> Most specific for Dengue diagnosis?IgM ELISATissue cultureCFTElectron microscopy  <response>: Ans a IglYI ELISA Lapoi awry wagnosis of Dengue Thrombocytopenia 100,000mm3 or less Hemoconcentration: Hematocrit increased by 20 or more of base line value Elevation of serum Aminotransferase Antigen detection ELISA or PCR or virus isolation in acute phase IgM ELISA or paired serology during recovery Strip immunochromatographic test of IgM for rapid diagnosis Remember: IgM appears within 2-5 days of onset of illness and persists for one to three months. 