This is the ValueSet that contains codes in both BeVSVaccineTargetDisease (https://www.ehealth.fgov.be/standards/fhir/vaccination/ValueSet/be-vs-vaccine-target-disease) and BeVSVaccineTargetDisease (https://www.ehealth.fgov.be/standards/fhir/vaccination/ValueSet/be-vs-vaccine-target-disease).