Answer
Simultaneous administration of normal immunoglobulin with Havrix hepatitis A vaccine does not affect the seroconversion rate but may lower the antibody titre; a similar effect could occur with Havrix Junior Monodose.
Sources for this answer
- Havrix Junior Monodose VaccineGlaxoSmithKline UK · emc · SmPC §4.5 Interaction with other medicinal products · Version 24Document updated
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