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By Robert Preidt


HealthDay Reporter

FRIDAY, Jan. 14, 2022 (HealthDay Information) — Face masks are touted as a key software in stopping the unfold of COVID-19, and a brand new examine gives extra proof that they work.

Florida researchers discovered face masks reduce the space that airborne pathogens such because the coronavirus can journey by greater than half.

The findings counsel that some COVID-19 social distancing guidelines could possibly be relaxed when individuals put on masks, in keeping with the authors.

“The analysis supplies clear proof and tips that three ft of distancing with face coverings is best than six ft of distancing with out face coverings,” mentioned examine co-author Kareem Ahmed. He is an affiliate professor within the College of Central Florida division of mechanical and aerospace engineering.

For the study, Ahmed and colleagues used particular devices to measure the space in all instructions that droplets and aerosols traveled from 14 individuals, aged 21 to 31, once they spoke and coughed whereas carrying various kinds of masks or not carrying a masks.

Every participant recited a phrase and simulated a cough for 5 minutes with out a face-covering, with a fabric face overlaying, and with a three-layered disposable surgical masks.

Airborne emissions produced by the members once they spoke or coughed unfold 4 ft in all instructions once they had no masks, in contrast with about two ft once they wore a fabric face overlaying and about six inches once they wore a surgical masks, the investigators discovered.

The examine was printed Jan. 12 within the Journal of Infectious Diseases.

Studying extra about tips on how to scale back airborne transmission of infectious illnesses may also help preserve individuals protected and handle responses to COVID-19 and different pandemics, in keeping with the researchers.

The following step is to develop the examine with extra members.

The thought for the examine got here from jet propulsion analysis carried out by the workforce.

“The ideas are the identical,” Ahmed mentioned in a college information launch. “Our cough and speech are exhausted propulsion plumes.”


Extra info

The U.S. Facilities for Illness Management and Prevention gives a guide to masks.


SOURCE: College of Central Florida, information launch, Jan. 12, 2022



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