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Preparing For RSV Season

RSV is a seasonal virus1

What is RSV season?

Respiratory syncytial virus (RSV) usually follows seasonal patterns,1 with RSV cases peaking at certain times of the year.1 This period is called the RSV season.2

 

When is RSV season?

The RSV season occurs in most countries around the world, but the timing can vary depending on where you live.

In South Africa, the RSV season takes place between February and June.5

RSV season doesn’t always start at the same time every year. It can change because of certain factors, including the weather.4

Footnotes & references

  1. Moriyama M, Hugentobler WJ, Iwasaki A. Seasonality of Respiratory Viral Infections. Annu Rev Virol. 2020;7(1):83-101.
  2. Staadegaard L, Caini S, Wangchuk S, et al. Defining the seasonality of respiratory syncytial virus around the world: National and subnational surveillance data from 12 countries. Influenza Other Respir Viruses. 2021;15(6):732-741
  3. 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.
  4. Thongpan I, Vongpunsawad S, Poovorawan Y. Respiratory syncytial virus infection trend is associated with meteorological factors. Sci Rep. 2020;10(1):10931. 
  5. Zar HJ, Madhi SA, White DA, et al. Acute viral bronchiolitis in South Africa: Strategies for management and prevention. S Afr Med J. 2016;106(4):27-29
MAT-ZA-2500463-1.0-09/2025