This is the ValueSet that contains codes in both BeVSVaccinationStatusReason (https://www.ehealth.fgov.be/standards/fhir/vaccination/ValueSet/be-vs-vaccination-status-reason) and BeVSVaccinationStatusReason (https://www.ehealth.fgov.be/standards/fhir/vaccination/ValueSet/be-vs-vaccination-status-reason).