Respiratory syncytial (sin-SISH-uhl) virus, or RSV, is a common respiratory virus that usually causes mild, cold-like symptoms. Most people recover in a week or two, but RSV can be serious. Infants and older adults are more likely to develop severe RSV and need hospitalization. Vaccines are available to protect older adults from severe RSV. Preventive options are available to protect infants and young children from severe RSV.
To learn about Symptoms & Care, Prevention and the Transmission of RSV, visit:
Factsheet for Older Adults At-Risk for Severe RSV:
Factsheet for RSV in Infants & Young Children: RSV in Infants and Young Children (cdc.gov)
* Note: On October 23, 2023, CDC released a health advisory notice to communicate interim recommendations regarding the limited supply of nirsevimab, the new preventive antibody to protect infants against severe RSV.
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