
The respiratory system is complex.
The respiratory (breathing) system can be affected by many different kinds of disease.
Chronic cough
Although not life-threatening, chronic (long-lasting) cough affects people’s social lives and mental well-being.
RSV
Respiratory syncytial virus (RSV) is the most common virus that leads to bronchitis and pneumonia in children under age 1. It affects the very young and can also affect older adults.