Cross ReactionsImmune SeraEnzyme-Linked Immunosorbent AssayFluorescent Antibody TechniqueFood HypersensitivityHypersensitivityImmunoglobulin ESkin TestsAllergensAllergy and ImmunologyMilk HypersensitivityLatex HypersensitivityDrug HypersensitivityPeanut HypersensitivityEgg HypersensitivityDesensitization, ImmunologicHypersensitivity, ImmediateNational Institute of Allergy and Infectious Diseases (U.S.)Rhinitis, Allergic, Seasonal