FHIR Immunization R4 vs R5

Element-level differences of the FHIR Immunization resource between R4 and R5: added, removed and changed elements with type and cardinality changes.

• FHIR Immunization R4 vs R5 — part of the free FHIR Toolbox library.
• Runs entirely in your browser: your FHIR data is never uploaded to a server.

FHIR Toolbox is a free, privacy-first collection of HL7 FHIR utilities by Omindra Labs. Every tool performs zero-server processing — your health data never leaves your device.