31.9 C
Brisbane
Tuesday, December 1, 2020

Plastic face shields do not stop the spread of COVID-19, study claims

Must read

Kenya reports 302 new COVID-19 cases, total tally jumps to 83,618

Kenya on Monday reported 302 new COVID-19 infections from tests conducted over the last 24 hours, taking its total number of confirmed...

Charity warns of famine in South Sudan

South Sudan is facing a potential risk of famine due to the effects of protracted conflict, flooding, and a poor economy, an...

Uganda/Kenya: Uganda Ends Kenya’s Under-20 Afcon Dream

Cecil Odongo - Rising Stars' dream of participating in the 2021 Under-20 Africa Cup of Nations came to a sudden halt on...

Kenya regrets Somalia decision to expel envoy – PS Macharia

OLIVER MATHENGE - Kenya's foreign affairs principal secretary Kamau Macharia has expressed regret at Somalia's decision to expel Ambassador Lucas Tumbo.

Plastic face shields are all but useless when it comes to defeating the spread of the coronavirus, according to a new Japanese study.

Acccording to the Guardian report on Tuesday seen by NCMP, the clear coverings were tested in a simulation by Fugaku, the world’s fastest supercomputer, which found that nearly 100 percent of airborne droplets less than 5 micrometers in size escaped through the shields.

One micrometer is the equivalent of one-millionth of a meter.

The shields, typically used by workers in the restaurant industry, were also ineffective at trapping larger droplets measuring 50 micrometers — about half of which were also able to escape.

The study was conducted by Riken, a government-backed researcher center in Kobe, Japan.

In order to reach its results, the Fugaku simulation combined airflow with thousands of particles of various sizes.

Makoto Tsubokura, a team leader at Riken, said regular face masks should be used instead of face shields.

“Judging from the results of the simulation, unfortunately, the effectiveness of face guards in preventing droplets from spreading from an infected person’s mouth is limited compared with masks,” he explained in the report.

Tsubokura said people who are not recommended to wear face masks could resort to donning shields — but only if they were outdoors or in indoor settings with proper ventilation.

Fugaku has conducted other simulations, recently finding that face masks made out of non-woven fabric are more effective at preventing the spread of COVID-19 than those made of cotton and polyester, the outlet noted.

Researchers at Duke University made similar findings last month, concluding that N95 masks are the most effective but three-layer surgical masks and cotton masks are good stand-ins as well.

- Advertisement -

More articles

LEAVE A REPLY

Please enter your comment!
Please enter your name here

- Advertisement -

Latest article

Kenya reports 302 new COVID-19 cases, total tally jumps to 83,618

Kenya on Monday reported 302 new COVID-19 infections from tests conducted over the last 24 hours, taking its total number of confirmed...

Charity warns of famine in South Sudan

South Sudan is facing a potential risk of famine due to the effects of protracted conflict, flooding, and a poor economy, an...

Uganda/Kenya: Uganda Ends Kenya’s Under-20 Afcon Dream

Cecil Odongo - Rising Stars' dream of participating in the 2021 Under-20 Africa Cup of Nations came to a sudden halt on...

Kenya regrets Somalia decision to expel envoy – PS Macharia

OLIVER MATHENGE - Kenya's foreign affairs principal secretary Kamau Macharia has expressed regret at Somalia's decision to expel Ambassador Lucas Tumbo.

Tigray forces claim to have shot down an Ethiopian plane, taken the town

Forces from Ethiopia's northern region of Tigray said they had shot down a military plane and retaken a town from federal forces...