Answer
The vaccinator must check the exact product and allergy history. The antigen is produced in yeast. The HBVAXPRO 40 micrograms vial stopper contains natural latex rubber, while the selected Engerix B syringe components use synthetic rubber.
Sources for this answer
- Engerix B 20 micrograms/1 ml Suspension for injection in pre-filled syringe (Adult and Paediatric) — Current selected SmPCemc · Summary of Product Characteristics
- HBVAXPRO 40mcg — Current selected SmPC