Face coverings can cut risk of coronavirus spread

A range of face masks could all potentially help reduce Covid-19 transmission, a study shows.
The distance and direction travelled by air expelled when a person breathes or coughs when wearing different face coverings was measured by a team led by engineers at the University of Edinburgh, using a technique called Background Oriented Schlieren imaging.
Measurements were taken from people wearing different face coverings while standing or lying down, and from a manikin connected to a cough-simulating machine.
Researchers found that all face coverings without an outlet valve reduce the forward distance travelled by a deep breath out by at least 90 per cent.
Surgical masks and the tested hand-made masks were found to limit the forward flow of a breath out, but also generate far-reaching leakage jets to the side, behind, above and below. Heavy breathing and coughing, in particular, were shown to generate intense backward jets.
Only masks that form a tight seal with the face were found to prevent the escape of virus-laden fluid particles, the team says.
Researchers found that full-face shields worn without masks enabled the release of a strong downward jet.
https://www.ed.ac.uk/roslin/news-events/latest-news/face-coverings-can-cut-risk-of-coronavirus-spread
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- #airospring
- #badback
- #cambridgeuniversity
- #facemask
- #makeitbritish
- #nottingham
- #officeseating
- Airospring
- airox face mask
- alzheimers
- Assistive technology
- bedsores
- buy mattress topper
- campervan
- dementia
- disabilty awareness day
- ewma 2018
- face mask
- festivalfever
- glamping
- glampingshow
- how to use lumbar support pillow
- is lumbar support good for your back
- Lumbar support pillow
- mattress topper
- osteopath
- pressure care
- pressure relief
- shopmobility
- sleepingonair
- stopthepressure
- Tissue viability nursing
- TVS SHOW
- vanlife
- Warrington disability partnership
- what is a lumbar support pillow
- wheelchair cushion
- wheelchairs
- where to put lumbar support pillow
- work from home