Fig. 1From: Usefulness of paired samples for the Serodiagnosis of toxoplasmosis infection in a tertiary teaching Hospital in MalaysiaAlgorithm for the serodiagnosis of toxoplasmosis. < 1 IU/ml = Non-reactive, 1 –30 IU/ml = Indeterminate, > 30 IU/ml = ReactiveBack to article page