This is the ValueSet that contains codes in both ActRelationshipActiveImmunizationAgainst (http://terminology.hl7.org/ValueSet/v3-ActRelationshipActiveImmunizationAgainst) and ActRelationshipActiveImmunizationAgainst (http://terminology.hl7.org/ValueSet/v3-ActRelationshipActiveImmunizationAgainst).