Respiratory Syncytial Virus, Human

**Definition:** The type species of PNEUMOVIRUS and an important cause of lower respiratory disease in infants and young children. It frequently presents with bronchitis and bronchopneumonia and is further characterized by fever, cough, dyspnea, wheezing, and pallor.

**Tree numbers:** - B04.820.480.937.600.670.600.750.730

**Synonyms:** - Human respiratory syncytial virus - HRSV Human respiratory syncytial virus - human RSV