{description: Past immunizations supporting recommendation, package_name: hl7.fhir.r6.core, name: support, type: reference, package_version: 6.0.0-ballot2, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/ImmunizationRecommendation-support', version: 6.0.0-ballot2}