What is Respiratory Syncytial Virus
- What It Is
- Risk Factors
- Living With
- User Questions
- Alternative Treatment
- Care Guide
- Questions for Your Doctor
- When to Contact a Doctor
- Find a Doctor
- Resource Guide
Respiratory Syncytial Virus Definition
Respiratory syncytial virus (RSV) is a common cause of many types of infections of the respiratory system (lungs and breathing passages), including:
Although these infections can happen at any age, they occur most commonly and are usually most severe in infants, young children, and the elderly. In severe cases, RSV infections can cause death.
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