Using different ELISA brands (Trep-Check IgG enzyme immunoassay [EIA] Trep-Sure, ICE Syphilis detection pack, Trep-ID, TS-EIA, Cobas Syphilis EIA, TP-ELISA, Enzywell TP, Murex ICE EIA, Vircell Syphilis ELISA IgG+IgM, DIALAB ELISA, RecomWell IgG, Architect Syphilis Tp ELISA, Murex ICE, Chorus Syphilis Screen Recombinant, Advia Centaur syphilis assay, and Euroimmun Treponema pallidum Screen ELISA), sensitivity was found to range from 83% to 100%, specificity ranged from 80% to 100%,20,22,26,27,29, , , , , , , , , –39 and accuracy was 95.4%.26 Here, CD40LG is linked to syphilis.