what kind of diseases does rsv cause
Infection with respiratory syncytial virus (RSV; see the image below) , which manifests primarily as bronchiolitis or viral pneumonia, is the leading cause of lower respiratory tract infections (LRTIs) in infants and young children.lectron micrograph of respiratory syncytial virus (RSV). RSV is most common cause of bronchiolitis and pneumonia in children younger than 1 year. Image courtesy of Centers for Disease Control and Prevention. The clinical entity of bronchiolitis was described at least 100 years ago.