Covid aerosolization:Only N-95 masks useful?
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The COVID-19 coronavirus is predominantly spread through airborne transmission and it's time everyone acknowledges it, say researchers in a recent paper in the journal, The Lancet.
Dr. David Fisman, an epidemiologist at the University of Toronto's Dalla Lana School of Public Health and one of the co-authors of the Lancet paper, says this distinction matters in order for people to take the necessary precautions to keep themselves safe.
He said contrary to what he told Quirks & Quarks host, Bob McDonald in February 2020, he now believes
the virus is PRIMARILY SPREAD VIA TINY AEROSOL PARTICLES,
and the Lancet article lays out the evidence that changed his mind.
Dr. Fisman said this means that indoor spaces where people from different households gather, like workplaces, need to be well ventilated by opening the windows, cleaning the air with HEPA filters, or upgrading ventilation systems.
He also said N95 masks are ideal, especially in hotspots in spaces where you suspect ventilation isn't up to par and distancing isn't possible, but that cloth or surgical masks still help, to a lesser degree, if they fit well.
Dr. David Fisman, an epidemiologist at the University of Toronto's Dalla Lana School of Public Health and one of the co-authors of the Lancet paper, says this distinction matters in order for people to take the necessary precautions to keep themselves safe.
He said contrary to what he told Quirks & Quarks host, Bob McDonald in February 2020, he now believes
the virus is PRIMARILY SPREAD VIA TINY AEROSOL PARTICLES,
and the Lancet article lays out the evidence that changed his mind.
Dr. Fisman said this means that indoor spaces where people from different households gather, like workplaces, need to be well ventilated by opening the windows, cleaning the air with HEPA filters, or upgrading ventilation systems.
He also said N95 masks are ideal, especially in hotspots in spaces where you suspect ventilation isn't up to par and distancing isn't possible, but that cloth or surgical masks still help, to a lesser degree, if they fit well.
