Background and Objective Asthma is chronic airway immune inflammation characterized by airway lymphocyte infiltration and eosinophilia, airway hyperresponsiveness (AHR) and mucus hypersecretion.

背景与目的哮喘是慢性气道免疫性炎症，以气道淋巴细胞、嗜酸性粒细胞浸润、气道高反应性、粘液产生增加为特征。