Allergy Immunotherapy Market Size Was Valued at USD 2.08 Billion in 2023, and is Projected to Reach USD 4.40 Billion by 2032, Growing at a CAGR of 8.70% From 2024-2032. Allergy immunotherapy, regularly referred to as allergic reaction shots or allergen immunotherapy, is a scientific treatment aimed toward lowering or eliminating the symptoms of allergic situations through desensitizing the...