Droplets and aerosols: An artificial dichotomy in respiratory virus transmission

Drossinos Y, Weber TP, Stilianakis N (2021)


Publication Type: Journal article

Publication year: 2021

Journal

Book Volume: 4

Journal Issue: 2

DOI: 10.1002/hsr2.275

Abstract

In the medical literature, three mutually non-exclusive modes of pathogen transmission associated with respiratory droplets are usually identified: contact, droplet, and airborne (or aerosol) transmission. The demarcation between droplet and airborne transmission is often based on a cut-off droplet diameter, most commonly 5 mu m. We argue here that the infectivity of a droplet, and consequently the transmissivity of the virus, as a function of droplet size is a continuum, depending on numerous factors (gravitational settling rate, transport, and dispersion in a turbulent air jet, viral load and viral shedding, virus inactivation) that cannot be adequately characterized by a single droplet diameter. We propose instead that droplet and aerosol transmission should be replaced by a unique airborne transmission mode, to be distinguished from contact transmission.

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How to cite

APA:

Drossinos, Y., Weber, T.P., & Stilianakis, N. (2021). Droplets and aerosols: An artificial dichotomy in respiratory virus transmission. Health Science Reports, 4(2). https://doi.org/10.1002/hsr2.275

MLA:

Drossinos, Yannis, Thomas P. Weber, and Nikolaos Stilianakis. "Droplets and aerosols: An artificial dichotomy in respiratory virus transmission." Health Science Reports 4.2 (2021).

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