HEPA air cleaners and face masks can reduce the exposure to Covid-infected particles in a room by up to 90%, CDC report finds
CDC simulated a conference room in which there was one COVID-19-infected meeting participant, an uninfected speaker and two other participants HEPA air cleaners were placed around the room, and simulations were run in which the participants did or didn't wear masks Just using air cleaners without masks reduced the exposure to infected particles by 65% and just masks without the air cleaners reduced exposure by 72% When HEPA air cleaners were used in combination with masks, the exposure to COVID-19 aerosols was reduced by 90% By Mary Kekatos Acting U.S. Health Editor For Dailymail.Com
Published: 20:18 BST, 2 July 2021 | Updated: 20:18 BST, 2 July 2021
Portable air cleaners and masking can dramatically reduce the number of COVID-19 droplets and aerosols, a new report published on Friday suggests.
Researchers from the Centers for Disease Control and Prevention (CDC) conducted multiple experiments in which high efficiency particulate air (HEPA) cleaners ere used in a conference and people wear face coverings.
On their own, the air cleaners reduced the exposure of particles spread by an infected person about 65 percent.
However, when combined together, it reduced the exposure to coronavirus-infected aerosols by 90 percent.
CDC researchers simulated a conference room in which there was one COVID-19-infected meeting participant, an uninfected speaker and two other participants (file image)
Just using air cleaners without masks reduced the exposure to infected particles by 65% and just masks without the air cleaners reduced exposure by 72%, but the combination reduced exposure by 90%
HEPA air cleaners consist of a filter that removes almost all particles from the air and
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