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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

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

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Key figures RSV
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
Respiratory Syncytial Virus symptoms
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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
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Scientific innovations in infant RSV disease prevention


  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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