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The venereal disease research laboratory (VDRL) test is designed to assess whether or not you have syphilis, a sexually transmitted infection (STI).
A rapid plasma reagin (test) is used to screen you for syphilis. It detects the antibodies that your body produces to fight the infection.
Your body's immune system produces proteins known as antibodies when harmful substances are detected. These harmful substances, called antigens, take many forms, including parasites, viruses, fungi, and bacteria. The FTA-ABS blood test (fluorescen...