Respiratory Syncytial Virus
Pronounced: RES-pi-ra-to-re sin-SISH-al VI-rus
by Laurie Rosenblum, MPH
Respiratory syncytial virus (RSV) is a common cause of many types of infections of the respiratory system. The term respiratory system refers to the lungs and breathing passages. These infections include:
These infections are common. They are usually most severe in infants, young children, and older people. However, these infections can happen at any age. In severe cases, RSV infections can cause death.
RSV is spread through infected fluids in the mouth and nose. The virus most often enters the body from touching the mouth, nose, or eyes. It can also be spread by inhaling droplets from a sneeze or cough.
RSV is spreads easily. It can survive on surfaces and objects for hours. It is easily passed from person to person. Virus shedding usually lasts for 3-8 days, but may last for up to four weeks.
Risk Factors TOP
Factors that may that increase your chance of getting RSV include:
The symptoms of RSV infection vary with age and previous exposure to RSV. Very young children, elderly people, and people with chronic diseases are more likely to have severe symptoms.
In children younger than three years old, RSV can cause illnesses such as bronchiolitis and pneumonia. Symptoms may include:
In children older than three years old, and healthy adults, RSV typically causes an upper respiratory infection or cold. Symptoms commonly include:
Your doctor will ask about you or your child's symptoms and medical history. A physical exam will be done. A variety of tests are available to diagnose RSV. Lab tests called antigen detection assays are commonly done using secretions from the nose.
In most cases, antibiotics are not needed because the infection is caused by a virus, not bacteria.
Mild infections such as colds do not need special treatment. The goal is to ease the symptoms so that you or your child feels more comfortable while the body fights the virus. For symptom relief, try the following:
People of all ages can develop severe infections from RSV. However, it is most common in very young people. Severe infections include pneumonia and bronchiolitis. These may require treatment in a hospital. This treatment is aimed at opening up breathing passages. It may include:
If you or your child is diagnosed with RSV, follow your doctor's instructions.
Steps to prevent RSV include:
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Last reviewed September 2013 by Kari Kassir, MD
Last Updated: 9/30/2013