Interpretation
For those with continuing high risk of exposure to Rabies, the WHO recommend booster doses of vaccine when the serum antibody level is less than 0.5 IU/ml.
Those with levels greater than or equal to 0.5 IU/ml are considered currently protected PROVIDED they receive appropriate post-exposure
vaccinations.
Reference Intervals
Reported in International Units per mL:
Negative = <0.5 IU/mL
Positive = >/=0.55 IU/mL