RSV (Respiratory Syncytial Virus) | CDC

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Respiratory Syncytial Virus (RSV) Español
Grandfather holding baby
About Describes the basics of respiratory syncytial virus (RSV) Learn More July 7, 2025
Older man sneezing into a tissue
Vaccines for Adults Information on vaccines to protect adults ages 50 and older against RSV. July 7, 2025
Sleeping baby lying in bed, with mother holding baby's face
Immunizations to Protect Infants Information about RSV immunization to protect your baby from severe RSV illness. Aug. 29, 2024

For Professionals

Clinical Guidance Clinical considerations for people at increased risk of severe RSV disease. July 7, 2025 Diagnostic Testing Information on how to test for RSV. Aug. 27, 2024 Surveillance Information on RSV surveillance systems. July 8, 2025

RSV

Respiratory syncytial virus (RSV) usually causes mild, cold-like symptoms in most people, but it is the leading cause of infant hospitalization in the U.S.

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For Everyone

  • About
  • How It Spreads
  • Vaccines
  • Symptoms
  • RSV in Infants and Young Children
  • RSV in Adults

Health Care Providers

  • Clinical Guidance
  • Vaccine Guidance

Public Health

  • Surveillance
  • RSV in Alaska Native Infants
  • References and Resources
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