History of immunotherapy: the first 100 years

Allergen-specific immunotherapy (SIT) defines and distinguishes the modern practice of clinical allergy and immunology as the 100th anniversary of this pioneering technique is celebrated. Despite the tremendous advancements made in therapeutics, pharmacology, and the basic science of allergy, SIT remains the only treatment modality that offers a potential cure for atopic diseases rather than simply an amelioration of symptoms. A historical perspective not only offers an opportunity to tell some of the fascinating stories that led to the conception of SIT but also gives an occasion to recognize, remember, and honor those individuals who have contributed to its development.