Health

Mask cuts coronavirus travel distance in half

By Robert Preidt

Health Day Reporter

Friday, January 14, 2022 (HealthDay News)- Face mask Is touted as an important tool to prevent the spread of COVID-19, and new research provides more evidence that they work.

Florida researchers say that face masks coronavirus You can move more than half.

The survey results are COVID-19 Social Distance Expansion Guidelines According to the author, people may be able to relax when wearing a mask.

“This study provides clear evidence and guidelines that 3 feet away with the face covered is better than 6 feet away with the face uncovered,” co-author of the study. Kareem Ahmed says. He is an associate professor of mechanical and aerospace engineering at the University of Central Florida.

for study, Ahmed et al., Using special equipment, 14 people between the ages of 21 and 31 talk or cough when wearing different types of masks or not. We measured the distance between the droplet and the aerosol in all directions when it was coughing.

Each participant recites the phrase and cough 5 minutes without face cover, with cloth face cover and 3 layers of disposable surgical mask.

Air emissions generated when participants talk or cough spread 4 feet in all directions when not wearing a mask, about 2 feet when wearing a cloth mask, and a surgical mask. When worn, it was about 6 inches.

This study was on January 12th Infectious Disease Journal..

According to researchers, learning more about how to reduce airborne infections can help keep people safe and manage their response to COVID-19 and other pandemics.

The next step is to expand the study with more participants.

The idea for this study came from a jet propulsion study conducted by the team.

“The principles are the same,” Ahmed said in a school news release. “Our cough and speech ran out of propulsion plumes.”

For more information

The US Centers for Disease Control and Prevention Mask guide..

Source: University of Central Florida, News Release, January 12, 2022

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Mask cuts coronavirus travel distance in half

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