Respiratory syncytial virus (RSV) – the most important cause of disease of lower respiratory tract divisions among infants and young children. It usually appears during the annual winter-spring outbreaks and affects all children the first three years of life. The number of infected children in need of hospitalization ranged from G.50 to 1:1000 in different localities. Currently, among the hospitalized infants without prior pathology mortality does not reach one percent. The children, with its attendant diseases, deaths could be much higher. A state in which a child should be at risk of severe or fatal respiratory syncytial virus infection were pulmonary disease, particularly bronchial dysplasia, Prematurity, congenital heart disease and immunodefitsitnye state or immunodepressivnaya therapy at any age.
For most children without prior disease is only supportive treatment for several days, and their prescribed after 4-7 days. Assessing the possibility of remote complications difficult. Recently, however, accumulating evidence that some children may develop a violation of lung function, or are relatively asymptomatic, or show up as recurring trouble breathing, or as a disease of lower respiratory tract divisions. Is not known whether the treatment adjourned sintsipialnoy respiratory viral infection, reduce the frequency or facilitate during such complications.