Skip to main content
An official website of the United States government
Español
NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

respiratory syncytial virus

(RES-pih-ruh-TOR-ee sin-SIH-shul VY-rus)
A virus that causes respiratory infections with cold-like symptoms. Also called RSV.
Search NCI's Dictionary of Cancer Terms