VDRL and TPHA Test-Introduction, Test Result, Test Method, Clinical Significance, and Keynotes
Introduction The VDRL (Venereal Disease Research Laboratory) and TPHA (Treponema pallidum hemagglutination assay) tests are laboratory diagnostic tests used to detect antibodies produced in response to the bacterium Treponema pallidum, which is the causative agent of syphilis, a sexually transmitted infection (STI). These tests play …