Feasibility Study of a New Immunoglobulin E (IgE) Assay Method

Inclusion Criteria: * Males or females 6 months' old or older * Sensitization or allergy towards a trophallergen, an aeroallergen, hymenoptera venom or drug proven by: * positive skin test (s) * and / or IgE specific (s)\> 0.1 kUA / L * and / or anamnesis in favor of an allergic reaction of mediated IgE * Social coverage up to date Exclusion Criteria: * Children younger than 6 months'old * Children's weight less than 10 kg * Pregnant or breastfeeding women * Patients with cystic fibrosis * Patients with dysimmune or autoimmune pathology * Anamnesis in favor of a delayed allergy or a contact allergy.