The VDRL (Venereal Disease Research Laboratory) and RPR (Rapid Plasma Reagin) serum dilution test is a standard blood screening method used to detect antibodies produced in response to a syphilis infection. [1] (https://www.medall.in/labtest/vdrl/), [2] (https://chughtailab.com/tests/serum-rpr-vdrl/)Chikhali Chinchwad
