Preface: Introduction: 1. Future developments in allergy prevention: a matter of integrating medical, natural and social sciences.- The medical and molecular context: 2. Induction and regulation of allergen-specific IgE .-3.Preventive vaccination against allergy: paternal allergen immunization protects offspring.- 4.Controlling processing in complex food systems: a potential route to food-allergy prevention.- 5.Plant protein families as a basis for predicting the allergenicity of food proteins.- 6.Can cross-reactivity studies enable generic allergy prevention? .- The food production chain and novel foods: 7.The food production chain and novel foods: introduction .- 8.Novel foods and novel processing techniques as threats and challenges to a hypersensitive world.-9.Tracking and tracing for allergen-free food production chains .- 10.Prediction of the potential allergenicity of novel proteins.-11.Production of hypoallergenic plant foods by selection, breeding and genetic modification.- 12.In silico prediction of potential allergenicity of proteins according to the FAO/WHO guidelines with the help of Allermatch .- The living and occupational environment: 13.Low-pollen-allergen ryegrasses: towards a continent free of hay fever?.- 14.Strategies for prevention and mitigation of hay fever.- 5.Prevention of occupational allergies .-People and society:16.Allergy between the ears? .-17.Economic impact of allergy prevention.- 18.Communication needs and food allergy: an analysis of stakeholder views.- 19.Allergy prevention: consumer perspectives.- 20. The patient's voice in allergy prevention.