Respiratory Syncytial Virus Infections

What is Respiratory Syncytial Virus Infections?

What is respiratory syncytial virus (RSV)? Respiratory syncytial virus, or RSV, is a common respiratory virus. It usually causes mild, cold-like symptoms. But it can cause serious lung infections, especially in infants, older adults, and people with serious medical problems. How is respiratory syncytial virus (RSV) spread? RSV spreads from person to person through: The air by coughing and sneezing Direct contact, such as kissing the face of a child who has RSV Touching an object or surface with the virus on it, then touching your mouth, nose, or eyes before washing your hands People who have an RSV infection are usually contagious for 3 to 8 days. But sometimes infants and people with weakened immune systems can continue to spread the virus for as long as 4 weeks. Who is at risk for respiratory syncytial virus (RSV) infections? RSV can affect people of all ages. But it is very common in small children; nearly all children become infected with RSV by age 2. In the United States, RSV infections usually occur during RSV season, which is usually fall through spring. Certain people are at higher risk of having a severe RSV infection: Infants Older adults, especially those ages 65 and older People with chronic medical conditions such as heart or lung disease People with weakened immune systems What are the symptoms of respiratory syncytial virus (RSV) infections? The symptoms of RSV infection usually start about 4 to 6 days after infection. They include: Runny nose Decrease in appetite Cough Sneezing Fever Wheezing These symptoms usually appear in stages instead of all at once. In very young infants, the only symptoms may be irritability, decreased activity, and trouble breathing. RSV can also cause more severe infections, especially in people at high risk. These infections include bronchiolitis, an inflammation of the small airways in the lung, and pneumonia, an infection of the lungs. How are respiratory syncytial virus (RSV) infections diagnosed? Your health care provider may use many tools to make a diagnosis: A medical history, including asking about symptoms. A physical exam. A lab test of nasal fluid or another respiratory specimen to check for RSV. This is usually done for people with severe infection. Tests to check for complications in people with severe infection. The tests may include a chest x-ray and blood and urine tests. What are the treatments for respiratory syncytial virus (RSV) infections? There is no specific treatment for RSV infection. Most infections go away on their own in a week or two. Over-the-counter pain relievers can help with the fever and pain. However, do not give aspirin to children. And do not give cough medicine to children under four. It is also important to get enough fluids to prevent dehydration. Some people with severe infection may need to be hospitalized. There, they might get oxygen, a breathing tube, or a ventilator. Can respiratory syncytial virus (RSV) infections be prevented? There are some vaccines to protect against RSV illness. Two of them are for people ages 60 and older. If you are in this age group, talk to your provider about whether an RSV vaccine would be right for you. If you are pregnant, there is a vaccine that is available to give between 32 and 36 weeks of pregnancy. It helps protect their newborn babies from RSV illness for the first 6 months of life. There are two medicines to help prevent severe RSV illness in babies and young children. These medicines may help prevent severe RSV illness, but they can't cure or treat children who already have RSV. And they cannot prevent an RSV infection. Both medicines are given by injections (shots). One medicine is given to infants who are younger than 8 months during their first RSV season. This includes infants who are born during RSV season. This medicine may also be given to some children between the ages of 8 and 19 months who are at high risk for severe RSV illness. For example, they might be at high risk because they: Were b

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