Allergy Diagnostic and Treatment Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Allergy Type (Drug Allergy, Allergic Rhinitis, Food Allergy, Skin Allergy, Insect Allergy, Sinusitis General Allergy); Diagnostics (Specific IgE testing, Patch testing Blood testing, Others); Medications(Antihistamines, Decongestants, Corticosteroids, Leukotrienes inhibitors, Mast cell inhibitors, Others), and Geography (North America, Europe, Asia Pacific, and South and Central America)