Misleading hepatitis B testing in the setting of intravenous immunoglobulin [v1; ref status: indexed, http://f1000r.es/25r]

Intravenous immunoglobulin Vegetable (IVIG) is commonly used for a wide range of diagnoses, by multiple pediatric subspecialists.We report two cases of hepatitis B screening results post IVIG infusion, where positive anti-Hepatitis B core antigen serology tests indicated possible occult hepatitis infection, leading to a delay in care.However, serial antibody testing showed Cooling results consistent with the passive transfer of antibodies.