Serological and clinical information for the 34 peanut allergic patients recruited in different European centres, within the Europrevall European project, used in EAST studies, basophil histamine release tests and/or PBMC proliferation tests.

HEP: histamine equivalent prick test; nd: not determined. Where known, other allergies of the subjects are indicated.The origin of the sera is as follows: 2A: Zurich, 52A: Amsterdam, 54A-82: Arnhem, 1682-2305: Vienna; 03-0043 till 12-0048 EuroPrevall Serum Bank.Grading is based on Brockow and Ring and on Sampson et al.[41], [42]. Grade 1 = dermal symptoms; grade 2 = gastro-intestinal problems like nausea and or cramping; grade 3 = any of the former grades plus vomiting/diarrhoea and respiratory tract problems like throat pruritis or tightness, grade 4 = any of the former grades and respiratory arrest plus cardiovascular problems like hypotension.