TOKYO - Japanese researchers showed that masks can offer protection from airborne coronavirus particles, but even professional-grade coverings can't eliminate contagion risk entirely.One head, fitted with a nebulizer, simulated coughing and expelled actual coronavirus particles. The other mimicked natural breathing, with a collection chamber for viruses coming through the airway.An N95 mask, used by medical professionals, blocked up to 90 per cent.
"There was a synergistic effect when both the virus receiver and virus spreader wore masks," the researchers wrote in a study published on Wednesday . There has been a growing consensus among health experts that the Covid-19 virus can be spread through the air. More on this topic The US Centres for Disease Control and Prevention revised its guidance this month to say the pathogen can linger in the air for hours.
A separate team of Japanese researchers used supercomputer simulations to show that humidity can have a significant effect on the airborne dispersion of virus particles.
Use at least N95, it’s not hard folks
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