October 20, 2021

The Queens County Citizen

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Six feet is not enough to stop COVID-19 transmission: experts

Six feet is not enough to stop COVID-19 transmission: experts

While inside, it may be a good idea to take a few more steps back.

Experts said Tuesday that the six-foot radius recommended by the World Health Organization (WHO) would not be sufficient to control the spread of COVID-19.

A The perspective article was published in the journal Science, Three experts believe aerosol particles can accumulate in the inner air while being inhaled, while breathing deeply into the lungs.

“Increasing evidence for SARS-CoV-2 suggests that the 6-foot WHO recommendation is inadequate under many indoor conditions, where aerosols may fly for several hours, accumulate over time, and may follow airborne distances of more than 6 feet,” they said.

According to Chia Wang of the National Sun Yat-sen University in Taiwan and Kimberly Prather and Dr. Robert Scully of the University of California, San Diego, most of the COVID-19 spread is caused by airborne spread. Erocolkal’s. This exchange was made by asymptomatic persons while breathing and speaking.

On Tuesday, experts said that for the community to return to normal, measures to reduce aerosol diffusion should be implemented, including the wearing of masks worldwide – in addition to widespread testing. They hope that these two procedures will help identify and isolate the two symptoms.

“It is very important to wear masks in places with high concentrations of viruses, such as health systems, airplanes, restaurants and crowded areas with low ventilation,” they added.

The Perspective article noted that countries such as Taiwan, Hong Kong, Singapore and South Korea have implemented a global mask and have been very effective in reducing the spread of COVID-19.

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The World Health Organization’s six-foot social distance guidelines are based on the study of respiratory droplets in the 1930s. However, experts said the technology for detecting small aerosol particles was not available at the time.

Smaller aerosols evaporate faster than they can settle. Because of this, they may be affected by wind currents, which may carry them over long distances, and they may remain in the air for several hours.

“A lot of evidence points to the aerosol spread of respiratory viruses,” Brother told WebMD. “With this particular virus, a lot of evidence is mounting.”

This month, a Admissions Hong Kong scientists have found that the use of surgical masks can reduce the rate of contactless transmission through respiratory droplets or airborne particles by up to 75 percent.