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Duration

In people who are basically healthy, RSV infection usually lasts about one to two weeks. Wheezing caused by RSV, however, can last a month or more.

Prevention

Preventing RSV is difficult because the virus is highly contagious and spreads from person to person. They are currently developing vaccines against RSV, but progress has been slow and it is unlikely that a dose of vaccine can provide good protection against a second infection with this virus.

The easiest way to prevent RSV infection is to wash your hands regularly, especially when someone in your family has symptoms of a cold. Adults and older children should always wash hands, avoid touching their faces and eyes and stay away without direct contact with people who have cold symptoms clear. Younger infants should stay away from anyone with symptoms of respiratory infection, even if it is a mild cold.

Premature infants with lung problems, congenital heart disease or problems with their immune systems are more likely to develop severe RSV infections. In the case of babies with these problems, two drugs are available to help prevent RSV infection or at least make it less severe.

Immunoglobulin against respiratory syncytial virus (RSVIG) occurs with the blood of healthy people who had RSV infection, this immunoglobulin contains antibodies (substances in the blood that fight infections) against RSV.

Palivizumab (Synagis) also contains antibodies to RSV, but this type of antibody is produced in a laboratory. Both drugs must be provided once a month just before the station where RSV appears (November) until the end of the season (April). Palivizumab is supplied as an injection into a muscle (like the standard vaccines that are placed during childhood) and RSVIG placed in a vein (intravenously).

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