About: http://data.cimple.eu/news-article/f590eed85afbdbead6f9a93b59258218a6db3d9c7e41e3cb91c8e998

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About: http://data.cimple.eu/news-article/f590eed85afbdbead6f9a93b59258218a6db3d9c7e41e3cb91c8e998 Goto Sponge NotDistinct Permalink

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rdf:type	schema:NewsArticle
schema:articleBody	People wearing plastic face shields or masks fitted with a valve can spray invisible droplets over a very wide area when they sneeze or cough, making the devices ineffective at preventing the spread of coronavirus when used on their own, a simulation model shows. In a report published Tuesday in the US journal Physics of Fluids, researchers at Florida Atlantic University used vertical and horizontal laser sheets to track tiny droplets of distilled water and glycerin as they spread from a hollow mannequin head fitted with a plastic face shield or a mask with a breathing valve on it. The face shield initially blocks the passage of the droplets as they move forwards, but "the expelled droplets can move around the visor with relative ease and spread out over a large area," the researchers said. As for a mask with a valve fitted to make breathing easier, "a large number of droplets pass through the exhale valve unfiltered, which make it ineffective in stopping the spread the COVID-19 virus if the person wearing the mask is infected." The researchers concluded that despite the comfort that both types of protection offer, high-quality cloth or medical masks of plain design are preferential in helping prevent the spread of the virus. ico/jh/bfm
schema:headline	Study shows how masks with valves and face shields allow spread of virus
schema:mentions	Distilled water Ico Face shield Mannequin Laser Cough Virus Coronavirus Coronavirus disease 2019 Plain weave Glycerol Florida Atlantic University Valve Radio in New Zealand
schema:author	http://data.cimple.eu/organization/1f0054d541e000623a2c1e561a247c073ef6328e8be9ffafda7b3fcd
schema:datePublished	2020-09-01 (xsd:date)
http://data.cimple...sPoliticalLeaning	other political leaning
http://data.cimple...logy#hasSentiment	negative sentiment
http://data.cimple...readability_score	93 (xsd:integer)
http://data.cimple...tology#hasEmotion	happiness

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