Principles of immunisation in children with solid organ transplant.

Vaccine-preventable diseases (VPD) are a significant risk to paediatric solid organ transplant (SOT) recipients on lifelong immunosuppressive therapy. Children progressing to end-stage organ dysfunction are unable to mount a robust immune response. Hence, it is important to plan vaccination early in the course of disease, especially if a child is anticipated to be a SOT candidate. Vaccine recommendations need to be individualised in this population based on vaccine history and serology. Catch-up or accelerated schedules may be used to complete vaccinations before transplant. Post-transplant, immunisation is recommenced in consultation with the transplant team taking into context the time since transplant and the intensity of the immunosuppressive regime. Inactivated vaccines are safe post-transplant but postexposure prophylaxis may still be required in children with inadequate immunity to VPD. Specific vaccines may be advised for SOT recipients travelling abroad (in consultation with a travel clinic) or those entering high-risk professions. Additionally, the vaccination status of all household members and close contacts should be reviewed and optimised, offering additional protection to the transplant recipient.

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Déclaration de conflit d'intérêts

Competing interests: None declared.