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Respiratory Syncytial Virus: The Need for Protection in All Infants

Respiratory Syncytial Virus (RSV) is a common, contagious seasonal pathogen that will infect nearly all babies by their second birthday. 1-3
RSV is the most common cause of lower respiratory tract infections, such as bronchiolitis and pneumonia, in infants and young children.
RSV is also a leading cause of hospitalizations in infants. 4-7

Most hospitalizations occur in otherwise healthy infants born at term
Most hospitalizations occur in otherwise healthy infants born at term
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Common symptoms of RSV-related illness can include: Cough, Runny nose, Decrease in appetite, Wheezing
RSV season typically occurs from Autumn through Spring in temperate regions
Baby smiling


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  1. Respiratory Syncytial Virus Infection (RSV): Infants and Young Children. Centers for Disease Control and Prevention. https://www.cdc.gov/rsv/high-risk/infants-young-children.html. Accessed June 2021.
  2. Glezen WP et al. Risk of primary infection and reinfection with respiratory syncytial virus. Am J Dis Child. 1986;140:543-546
  3. Collins et al. Host Factors in Human Respiratory Syncytial Virus Pathogenesis. Journal of Virology. 2008:2040–2055
  4. R K. Respiratory Syncytial Virus Vaccines. Plotkin SA, Orenstein WA, Offitt PA, Edwards KM, eds Plotkin’s Vaccines 7th ed Philadelphia. 2018;7th ed. Philadelphia:943-9.
  5. Shi T, McAllister DA, O'Brien KL, et al; RSV Global Epidemiology Network. Global, regional, and national disease burden estimates of acute lower respiratory infections due to respiratory syncytial virus in young children in 2015: a systematic review and modelling study. Lancet. 2017;390(10098):946-958
  6. Leader S, Kohlhase K. Respiratory syncytial virus-coded pediatric hospitalizations, 1997 to 1999. The Pediatric infectious disease journal. 2002;21(7):629-32.
  7. McLaurin KK, Farr AM, Wade SW, Diakun DR, Stewart DL. Respiratory syncytial virus hospitalization outcomes and costs of full-term and preterm infants. Journal of perinatology : official journal of the California Perinatal Association. 2016;36(11):990-6.
  8. Arriola CS, Kim L, Langley G, Anderson EJ, Openo K, Martin AM, et al. Estimated Burden of Community-Onset Respiratory Syncytial Virus-Associated Hospitalizations Among Children Aged <2 Years in the United States, 2014-15. Journal of the Pediatric Infectious Diseases Society. 2020;9(5):587-95.
  9. Rha B, Curns AT, Lively JY, Campbell AP, Englund JA, Boom JA, et al. Respiratory Syncytial Virus-Associated Hospitalizations Among Young Children: 2015-2016. Pediatrics. 2020;146(1).
  10. Respiratory Syncytial Virus Infection (RSV): Symptoms and Care. Centers for Disease Control and Prevention. https://www.cdc.gov/rsv/about/symptoms.html . Accessed June 2021.