Table 1.

Interpretation of VDRL1‐VDRL5 Intensities in VDRL ViraBlot Units

VDRL ViraBlot units	Interpretation
0	VDRL‐negative, no lipoid antibody activity.
1–2	VDRL‐reactive, low lipoid antibody activity.
3–6	VDRL‐reactive, medium lipoid antibody activity.
7–10	VDRL‐reactive, high lipoid antibody activity.