Four common infections settle in different parts of the airway — and the location shapes the symptoms, the cause, and how the bug spreads. Tap each one to light up its home in the respiratory tract.
The respiratory tract
Isolation precaution—
Airways run upper → lower, top to bottom. Infections higher up spread easily by talking and coughing; those deep in the lungs threaten oxygen exchange.
Four respiratory infectionstap one to begin
Same tract, different targetsThe airway is one connected tube — from the pharynx (throat) down the trachea and bronchi to the tiny alveoli where gas exchange happens. Tap a condition to see where it lands, what causes it, and how nurses care for it.