CoVis design is inspired by scientific studies of how the respiratory clouds and droplets travel and disperse.
It is particularly shaped to minimise the risks of infectious respiratory diseases such as Covid-19 in the workplace.
Fluid dynamics play a very important role in the spread of these particular contagious diseases. It is key to understand the generation and aerosolization of virus-laden respiratory droplets from a host, its airborne dispersion and deposition on surfaces, as well as the subsequent inhalation of these bio-aerosols by unsuspecting recipients. Lydia Bourouiba’s research from MIT highlights an on-going scientific debate about how the new coronavirus moves through the air - suggesting such airborne transfer is more likely than previously thought.
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“Human-to-human transmission of Covid-19 occurs primarily via three routes: large droplets that are expelled with sufficient momentum so as to directly impact the recipients’ mouth, nose or conjunctiva; physical contact with droplets deposited on a surface and subsequent transfer to the recipient’s respiratory mucosa; and inhalation by the recipient of aerosolized droplet nuclei from the expiratory ejecta that are delivered by ambient air currents.
The first two routes associated with large droplets are referred to as the ‘droplet’ and ‘contact’ routes of transmission, whereas the third is the so-called ‘airborne’ transmission route. Respiratory infections hijack our respiratory apparatus to increase the frequency and intensity of expiratory events, such as coughing and sneezing, which are particularly effective in generating and dispersing virus-carrying droplets.”
R. Mittal, R. Ni, J.H. Seo (2020), Published by Cambridge University
CoVis focuses its efficiency in tackling the 3 routes of transmission:
Direct Droplets – By creating a physical barrier as close as possible to the potential host of the virus, these droplets impact on the surface of CoVis as well as on the desk stopping them from travelling any further.
Deposited Droplets – CoVis surface (PMMA) it’s a hard material, non-absorbent, that is very easy to sanitize. So to remove the deposited droplets only requires an anti-bacterial spray and a wipe.
Aerosolized droplets – CoVis is shaped to not let the flow of these clouds travel direct to the potential recipient. Its shape and wings are there to limit and protect others. As these clouds can be affected by various airflows in a room, it is difficult to predict how to disperse them.
To understand the efficiency of CoVis, virtual reality models have been used to simulate real situations. The results from those simulations helped to work out the best angles, dimensions, and shapes that make CoVis a singular solution to tackle Covid-19 in the workplace.