Efficiency And Tolerance Of Hazelnut Oral Immunotherapy Protocol In Hazelnut Allergic Children

"* Age at beginning of IOT~* Sex~* Atopic and non atopic Comorbidities~* Sensitization to aero-allergens~* Sensitization to trophallergens~* Stage of severity of the elicited reaction~* Hazelnut Specific IgE + Cor a 1,8,9,14 before IOT and during follow up~* Hazelnut skin prick test before IOT and during follow up~* Adverse effects of IOT and their stage (in hospital and at home)~* Use of adrenaline auto-injector (in hospital and at home)~* Maintenance dose"