Why opening windows is as important as Hands, Face, Space


Sumary of Why opening windows is as important as Hands, Face, Space:

  • According to research released late last year by the government’s Scientific Advisory Group for Emergencies (SAGE), a well-ventilated room can clear 70 per cent of virus particles in the air — leading to official advice to either open windows regularly for 15 minutes at a time or leave them open a little, continuously..
  • But there was one that could at least help reduce your risk of picking up the virus — fresh air In an article published in the journal Science last week, the panel of 39 researchers from 14 countries, including the UK, says the quality of our indoor air should be monitored to the same standards as food and water to protect against the transmission of disease..
  • by taking steps to improve ventilation now, we can try to stop a fresh wave taking hold,’ says Catherine Noakes, a professor of environmental engineering for buildings at the University of Leeds, and another of the report’s authors..
  • In fact, the science now shows the coronavirus is far more likely to be transmitted through the air in droplets or smaller particles called aerosols than, for example, via infected surfaces..
  • ‘We know these aerosols behave in a similar way to smoke but are invisible — and the majority of virus transmissions happen indoors,’ says Professor Noakes..
  • ‘Being indoors with someone infected, with no fresh air, the particles can remain in the air for hours and build up over time.’ She says there are simple everyday measures we can adopt at home or in shops and offices — in particular opening a window for ten to 15 minutes every couple of hours..
  • But with gyms and indoor dining back on the agenda, the importance of fresh air in confined spaces where people talk loudly or breathe more deeply is clear..
  • With many offices also preparing to return to near-normal business, the quality of fresh air in workspaces also needs to be addressed, experts say..
  • Safety standards currently require employers to ensure there’s an ‘adequate supply’ of fresh air for workers in enclosed spaces, but it’s left to the business to decide how to provide this..
  • ‘You see many businesses advertising their cleaning and sanitising measures — but they’d do better to focus on making sure that the air is clean and fresh,’ says Professor Noakes..
  • If not, consider which windows and doors you can open to allow fresh air into the building and brief your employees on ensuring that this is done..
  • Portable air purifiers or cleaners filter impurities out of the air around them — and some work with ultraviolet light to destroy bacteria and mould particles…

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