Severe lower respiratory tract disease can occur at any age. If severe symptoms occur, a person can experience:
- Difficulty breathing
- Rapid breathing
- Inability to get enough oxygen
- A bluish or purplish tinge to skin.
Severe RSV symptoms are more common in children who:
- Have congenital heart disease
- Have bronchopulmonary dysplasia
- Take drugs or have conditions that suppress the immune system.
Severe symptoms of RSV are also more common in the elderly.