Debate over the exact mode of transmission of SARS-CoV-2 has been intense. This is entirely reasonable, given that the mechanism of spread determines preventive and potentially lifesaving policies. But the choice between respiratory aerosol or droplet settled on short range droplets, which neatly circumvented any risk outside the fabled 2m zone. This choice gave rise to social distancing, hand and surface hygiene, and masks, but not to improved indoor air quality.


This article is made freely available for personal use in accordance with BMJ's website terms and conditions for the duration of the covid-19 pandemic or until otherwise determined by BMJ. You may download and print the article for any lawful, non-commercial purpose (including text and data mining) provided that all copyright notices and trade marks are retained. https://bmj.com/coronavirus/usage

Cite as

Dancer, S. 2022, 'Airborne SARS-CoV-2', The BMJ, 377, article no: o1408. https://doi.org/10.1136/bmj.o1408

Downloadable citations

Download HTML citationHTML Download BIB citationBIB Download RIS citationRIS
Last updated: 17 November 2022
Was this page helpful?