VDRL Test Kit (Venereal Disease Research Laboratory)
The VDRL Test Kit is a diagnostic tool used to screen for syphilis, a sexually transmitted infection caused by Treponema pallidum. It detects non-treponemal antibodies in blood or serum that are produced in response to syphilis infection.
🩺 Product Description
- Test Type: Non-treponemal flocculation test (qualitative and semi-quantitative)
- Sample Type: Serum or plasma
- Principle: Detects reagin antibodies reacting with cardiolipin antigen
- Kit Components:
- VDRL antigen suspension
- Buffered saline
- Positive and negative controls
- Glass slides and pipettes (varies by kit)
- Instructions for use
- Time to Results: 8–15 minutes
- Sensitivity/Specificity: Good for early screening but often followed by a confirmatory treponemal test (e.g., TPHA or FTA-ABS)
🔍 Use Cases
- Routine syphilis screening in hospitals, antenatal clinics, and blood banks
- Monitoring treatment response in known syphilis cases
- Epidemiological surveillance and mass screening programs
📦 Additional Info
- Storage: 2–8°C (refrigerated)
- Shelf Life: Typically 12–24 months
- Note: False positives may occur in pregnancy, autoimmune diseases, or viral infections—confirmatory testing is recommended.
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