Add new Vaccine codes (chikungunya)

[costateixeira]

Original issue: https://github.com/hl7-be/validation-team/issues/49
Original number: #49
Original author: @costateixeira
Original created at: 2025-08-28T08:17:18Z

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[costateixeira]

Original comment: https://github.com/hl7-be/validation-team/issues/49#issuecomment-3332961188
Original commenter: @costateixeira
Original commented at: 2025-09-25T08:55:34Z

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Chikungunya exists on SNOMED (still need translations etc).
No changes to the IG for now, we will republish when we are ready to remove ValueSets and CodeSystems from the IG.

[costateixeira]

Original comment: https://github.com/hl7-be/validation-team/issues/49#issuecomment-3333091823
Original commenter: @costateixeira
Original commented at: 2025-09-25T09:30:06Z

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We will clarify in a terminology authoring meeting.
We will follow the process for authoring terminologies - which RIZIV is busy with documenting.