Venereal Disease Research Laboratory (VDRL)
VDRL is a screening blood test that detects antibodies associated with syphilis infection. Similar to RPR, it's used as an initial screening test, with confirmatory testing recommended for positive results.
Rapid Plasma Reagin (RPR)
RPR is a screening blood test used to detect antibodies associated with syphilis infection. It's a quick, widely used first-line test, with positive results usually confirmed by a more specific test like TPHA or FTA.