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For a moment of escape, he felt many as if the Pandemic of Covid-19 reached his end and took all his changes to everyday life with her. Unfortunately, theDELTA variant Forced some places to revive public health measures such as mask mandates or social distancing rules to protect people safely. But according to experts, there is at least a precaution that could create a dangerous situation in your favorite local business.

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Big,Clear partitions in plexiglass have become a current view in the world, aimed at keeping the air flowing between clients sitting inside to separate tables, creating a barrier while talking to a cashier and even protect children at their offices in schools. But the experts say that the precaution of well-intentioned Covid is totally ineffective to keep any person safely and potentiallyCreate a dangerous situation at worst.

Although plastic shields can protect against large droplets emitted by cough and sneezing, they do nothing to stop known air particles to transmit CovID. "If you have a plexiglass, you always breathe the same shared air of another person",Marwa Zaatari, PhD, a construction scientist and a pandemic working group member of the American Field of Heating, refrigeration and air conditioning engineers, reported at Bloomberg.

The assembly research found that the very shields supposed to keep people safely could put them at greater risk. In May, a team of researchers published a prepublication document that was foundBarriers between offices Harred air flow and ventilation in an office and leads to a COVID epidemic. The team found that withdrawing the partitions and encourage the flow of air by opening an enhanced window of the conditions.

Another study published in the journalScience In June found that while assessing the risks of in-person learning in schools usingoffice shields was associated with an increased risk of covid propagation. And another study published in March revealed that the partitions usedCabin style walls Stopping the smoke that researchers used to test the flow of air from an air filter, Bloomberg reports.

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"If you have a barrier forest in a classroom, it will interfere with adequate ventilation of this room"Linsey Marr, PhD, Professor of Civil and Environmental Engineering in Virginia Tech and one of the world's leading experts on viral transmission, saidThe New York Times. "Everyone's aerosols will be trapped and stuck there and grow, and they will eventually spread beyond your own office."

Other experts agreed with the evaluation. "I think that can be a particular problem in places such as classrooms where people are present for longer periods", "Catherine Noakes, Professor of Doctorate Environmental Engineering for Buildings at the University of Leeds in England, saidThe temperature. "A large number of individual screens hinder the flow of air and create higher and lower risk pockets difficult to identify."

Some experts explain that large partitions were an easy and fast solution at a time when scientists still try to understand exactly the distribution of Covid inside some places - while giving the public a false feeling of potentially dangerous security. "We spent a lot of time and money focused on the hygiene theater"Joseph Allen, a researcher indoors with Harvard T.h. The Chan Public Health School told Bloomberg. "The danger is that we have not deployed the resources needed to approach the real threat, which was airborne transmission - of the two actual dollars, but also time and attention."

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Instead, experts say that the money used to buy and install scores or shields in a company or office would be better devoted to improving air quality by adding filters, systems from Improved ventilation or masks. Even once the threat of COVID decreases, such changes could bring sustainable benefits. "They are good for seasonal influenza. They are good for productivity. They are good for mental health," Allen explained.

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