RPR (Rapid Plasma Reagin) and VDRL (Venereal Disease Research Laboratory) are non-specific blood screening tests used to detect syphilis, a sexually transmitted infection caused by the bacterium Treponema pallidum. [1] (https://blallab.com/blogs/rapid-plasma-reagin-vdrl-test-stis-early-detection), [2] (https://www.youtube.com/watch?v=Z9OgPUsRmsQ)Chikhali Chinchwad
