Congenital syphilis can be best diagnosed by -: (A) IgM FTA- ABS, (B) IgG FTA-ABS, (C) VDRL, (D) TPI
Answer is A. Nontreponemal test (VDRL) detects mainly IgG, So cannot differentiate from passive maternal transfer Method to diagnose congenital syphilis is: A reactive IgM test specific for syphilis
19s IgM FTA-ABS, Captia syphilis M test (IgM ELISA) and Western blot