assertion retraction graph subject predicate object datatype annotation 1 0 graph ONTIE:0003321 ONTIE:0003303 We intend to map this term to OBI:1110061. xsd:string 1 0 graph ONTIE:0003321 rdfs:label exposure with existing immune reactivity without evidence for disease xsd:string 1 0 graph ONTIE:0003321 IAO:0000234 IEDB xsd:string 1 0 graph ONTIE:0003321 IAO:0000115 A process in which an organism is exposed to a material entity which is evident by a detectable immune reactivity against it. xsd:string 1 0 graph ONTIE:0003321 IAO:0000112 A restaurant worker tests positive for presence of Norovirus, but experiences no symptoms of illness. xsd:string 1 0 graph ONTIE:0003321 rdfs:subClassOf BFO:0000015 _IRI 1 0 graph ONTIE:0003321 rdf:type owl:Class _IRI