What is Confirmatory test for syphilis:- and explain in detail?
Confirmatory/Specific/Treponemal tests: Specific antibodies are detected by using T.pallidum antigens TPI (Treponema pallidum immobilization test): Uses live T.pallidum FTA-ABS (Fluorescent treponemal antibody absorption test): Uses killed T.pallidum TPA (T.pallidum agglutination test): Uses killed T.pallidum TPIA (T.pallidum immune adherence test): Uses killed T.pallidum TPHA (T.pallidum hemagglutination test): Uses antigenic extract of T.pallidum