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RSV stands for respiratory syncytial [sin-SISH-uh l] virus, a common virus that affects the lungs. It spreads easily from one person to another by coughs, sneezes, and touching things that an infected person touched. RSV infections are most common in the winter and early spring. Most people with RSV infection have a mild, cold-like illness and get better in 1 to 2 weeks. In some people, RSV infection causes more serious illness that might require hospitalization.
People who are at risk for more severe RSV infection include:
Symptoms of RSV infection usually start about 4 to 6 days after exposure to the virus. Symptoms can include:
In very young children, the only symptoms of RSV infection might be fussiness or trouble breathing.
When RSV infection is more severe, symptoms can include:
Call your doctor right away if you or your child has any of these signs of severe RSV infection:
There is no specific treatment for RSV infection. Fever can be treated with ibuprofen or acetaminophen if your doctor says this is okay for you or your child. It is also important to drink plenty of fluids when you or your child has RSV.
If you or your child needs to be hospitalized for RSV infection, you might get oxygen to help with breathing problems. Or a tube might be put in your or your child’s mouth and down to the lungs. This is called intubation [IN-too-BEY-shun] and helps with breathing.
Here are some steps you can take to help make sure you or your child doesn’t catch RSV: