RSV stands for Respiratory Syncytial Virus. It’s a very common virus that can be easily passed from person to person.1,2
In babies, RSV generally causes mild to moderate cold-like symptoms. But in babies with certain risk factors, it can cause serious lung infections that need to be treated at a hospital.3,4
When Is RSV Season?

North of the equator
RSV season begins sometime between September and December.5,6
RSV occurs year-round with some increase in the rainy season.5,6
RSV season begins sometime between March and June.5,6
How Does RSV Spread?



What Are The Symptoms Of An RSV Infection?
- Low-grade fever
- Runny nose
- Dry cough
- Sore throat
- Mild headache
If your baby is showing more serious symptoms or is considered to be at high risk for serious complications from an RSV infection, talk to your doctor.3,4:
When Should You Call A Doctor?



Fever


How Are RSV Infections Treated?
CC-12150 / MAY 2026
1. Jones A. RSV: when it’s more than just a cold. HealthyChildren.org. Updated November 4, 2019. Accessed June 22, 2020. https://www.healthychildren.org/English/health-issues/conditions/chest-lungs/Pages/RSV-When-Its-More-Than-Just-a-Cold.aspx.
2. Piedimonte G, Perez MK. Respiratory syncytial virus infection and bronquiolitis. Pediatr Rev. 2014;35(12):519-530. doi:10.1542/pir.35-12-519.
3. Goldstein M, Phillips R, DeVincenzo JP, et al. National Perinatal Association 2018 Respiratory Syncytial Virus (RSV) Prevention Clinical Practice Guideline: an evidence-based interdisciplinary collaboration. Neonatology Today. 2017;12:1-27.
4. Mayo Clinic. Respiratory syncytial virus (RSV): symptoms & causes. July 22, 2017. Accessed June 24, 2020. https://www.mayoclinic.org/diseases-conditions/respiratory-syncytial-virus/symptoms-causes/syc-20353098.
5. Li Y, Reeves RM, Wang X, et al. Global patterns in monthly activity of influenza virus, respiratory syncytial virus, parainfluenza virus, and metapneumovirus: a systematic analysis. Lancet Glob Health. 2019;7(8):e1031-e1045. doi:10.1016/S2214-109X(19)30264-5.
6. Obando-Pacheco P, Justicia-Grande AJ, Rivero-Calle I, et al. Respiratory syncytial virus seasonality: a global overview. J Infect Dis. 2018;217(9):1356-1364. doi:10.1093/infdis/jiy056.
7. Resch B. Product review on the monoclonal antibody palivizumab for prevention of respiratory syncytial virus infection. Hum Vaccin Immunother. 2017;13(9):2138-2149. doi:10.1080/21645515.2017.1337614.
8. Mayo Clinic. Respiratory syncytial virus (RSV): diagnosis & treatment. July 22, 2017. Accessed June 24, 2020. https://www.mayoclinic.org/diseases-conditions/respiratory-syncytial-virus/diagnosis-treatment/drc-20353104.
9. Respiratory syncytial virus infection (RSV): symptoms and care. Centers for Disease Control and Prevention. Updated June 26, 2018. Accessed December 4, 2020. https://www.cdc.gov/rsv/about/prevention.html