The fluorescent treponemal antibody absorption or FTA-ABS test is a blood test that is used to check for the presence of antibodies to Treponema pallidum bacteria. This bacteria causes syphilis, but this test is used after performing other tests for syphilis, such as venereal disease research laboratory (VDRL) and rapid plasma regain (RPR) tests. The fluorescent treponemal antibody absorption test is also used to test for other sexually transmitted infections or if pregnant.
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Hello, Welcome to icliniq.com. Yes, sometimes many years after an infection with Treponema pallidum, venereal disease research laboratory (VDRL) may turn negative.
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