CD40LG and infection: Using the Panbio IgM- and IgG-capture ELISA in samples up to 8 days post symptom onset (PSO), Vaughn reported that 100% and 95% of pDENV and sDENV infections can be classified, respectively, based on an IgM/cut-off (CO) ≥ 1 and IgG/CO < 3 for pDENV infection, and an IgG/CO ≥ 3 for sDENV infection [31].