The World Allergy week topic for 2022 was Asthma and the Allergy connection. This article explains the united airway very simply. We often divide the airway into 2 distinct parts:

• The upper airway (nose, throat, sinuses, epiglottis, larynx, trachea)
• The lower airway (bronchi (airpipes), alveoli (lung tissue) and pleura (lining of the lung))

However, research has taught us that we need to rethink the airway as one unit from top to bottom, the concept of the “united airway.”