A smiling mom holding her baby in her arms

Respiratory Syncytial Virus in infants and young children

Respiratory Syncytial Virus (RSV) is a common, contagious seasonal pathogen that will infect nearly all babies by their second birthdays.1,2 RSV is a leading cause of lower respiratory tract infection, mainly bronchiolitis and pneumonia, in infants and young children, resulting in annual epidemics worldwide.3,4

Dina and Winnie's story

A Parent’s Perspective: Dina and Winnie’s RSV story

Key figures RSV
RSV data visualization
Google searches for respiratory syncytial virus (RSV), the leading cause of lower respiratory tract infection in infants and young children, reflect a need for parents to access additional information about the disease. Check out our time lapse to see searches over the course of the year in the US and Europe.
A baby wearing pajamas on a bed

Up to 80% of babies who are hospitalized due to RSV are otherwise healthy5, 6

A baby wearing pajamas on a bed
Smiling baby

Protecting Infants and Children from RSV

Hear from AstraZeneca’s Tonya Villafana: it is important to reassess our healthcare strategies for all illnesses, including RSV.
Working to Prevent Respiratory Syncytial Virus in All Infants

Working to Prevent Respiratory Syncytial Virus in All Infants

Sanofi’s Head of Global Medical tells you a bit more about the common virus and how we are working in partnership with AstraZeneca to extend protection to all infants.
There is no cure for RSV

There is no cure for RSV disease and treatment is limited to symptomatic relief7

There is no cure for RSV
A dad and his infant child in his arms

Improving RSV care for infants worldwide

Learn more about AstraZeneca and Sanofi Pasteur’s engagement to improve RSV care and awareness
Autum Winter and Spring are the seasons when Respiratory Cyncytial Virus typically spreads
Symptoms of RSV


  1. https://www.cdc.gov/rsv/high-risk/infants-young-children.html. Accessed September 2019.
  2. Adamko DJ, Friesen M. Why does respiratory syncytial virus appear to cause asthma? Journal of Allergy and Clinical Immunology. 2012;130(1):101-102. doi:10.1016/j.ja ci.2012.05.024
  3. Shi T, et al. 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: 946–58.
  4. Obando-Pacheco P, et al. Respiratory Syncytial Virus Seasonality: A Global Overview.The Journal of Infectious Diseases, 217(9), 1356–1364. doi:10.1093/infdis/jiy056
  5. Carmen S. Arriola, et al. Estimated Burden of Community-Onset Respiratory Syncytial Virus–Associated Hospitalizations Among Children Aged <2 Years in the United States, 2014–15
  6. Hall CB, et al. Respiratory Syncytial Virus-Associated Hospitalizations Among Children Less Than 24 Months of Age. Pediatrics, 132(2). doi: 10.1542/peds.2013-0303
  7. Centers for Disease Control and Prevention. Respiratory Syncytial Virus (RSV): Symptoms and Care. https://www.cdc.gov/rsv/about/symptoms.html. Accessed August 2019.

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