Allergen-specific immunotherapy (SIT) involves the repeated administration of allergenic extracts to atopic all those over an interval of three to five 5 years either subcutaneously (SCIT) or sublingually (SLIT) for the treating hypersensitive respiratory system diseases including asthma and hypersensitive rhinitis (AR). Many meta-analyses and research have already been performed to judge the prevailing data… Continue reading Allergen-specific immunotherapy (SIT) involves the repeated administration of allergenic extracts to