SARS-CoV-2 is transmitted mainly through short and long range airborne transmission.1 2 The omicron variant shows faster transmission and greater vaccine escape than previous variants.3 Further measures are needed to contain transmission.


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Greenhalgh, T., Peng, Z., Jimenez, J., Bahnfleth, W., Dancer, S. & Bourouiba, L. 2022, 'Quantifying transmission risk of SARS-CoV-2 in different situations', The BMJ, 20 January 2022, article no: 376:o106. https://doi.org/10.1136/bmj.o106

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Last updated: 01 August 2023
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