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    Airborne Covid-19 transmission - Why UV air disinfection is essential?

    Watch this webinar and learn from Harvard Professor, Edward Nardell, about the necessity of UV-C technology from a medical perspective.
    Airborne COVID19

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    Presented by

    Edward A Nardell

    Edward A, Nardell 

    MD, Professor of Medicine

    Harvard Medical School

     

     

    Division of Global Health Equity, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA

    Key topics and learnings


    How covid is transmitted, importance of in-room interventions, limitations of ventilation and room air cleaners, advantage of UV air disinfection, proof of efficacy, proof of safety. barriers to implementation.

     

    Aerosol transmission is now widely accepted as the principal way that COVID-19 is spread, as has the importance of ventilation - natural and mechanical. But in other than healthcare facilities, mechanical ventilation is designed for comfort, not airborne infection control, and cannot achieve the 6 to 12 room air changes per hour recommended for airborne infection control. More efficient air filters have been recommended in ventilation ducts despite a lack of convincing evidence that SARS-CoV-2 virus spreads through ventilation systems.


    Most transmission appears to occur in rooms where both an infectious source COVID-19 case and other susceptible occupants share the same air. Only two established roombased technologies are available to supplement mechanical ventilation: portable room air cleaners and upper room germicidal UV air disinfection. Portable room air cleaners can be effective, but performance is limited by their clean air delivery rate relative to room volume. SARS-CoV-2 is highly susceptible to GUV, an 80-year-old technology that has been shown to safely, quietly, effectively and economically produce the equivalent of 10 to 20 or more air changes per hour under real life conditions. For these reasons, upper room GUV is the essential engineering intervention for reducing COVID-19 spread.

     

    Learning objectives:

     

    • Covid-19 is predominantly airborne, learn more
    • Effective air disinfection must be room-based, rather than in HVAC system ducts, ie filtration, why
    • Is UV highly effective, upper room or whole room 222 nm ?
    • Upper room UV is readily available, safe for room occupants, cost-effective, and can be implemented today, learn more.

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