unfortunately, this is still news, and much more urgent now with cold weather
We urgently need to focus on ventilation. Six months into a respiratory pandemic, we're still not given sensible and practical guidance against short-range aerosol—airborne—transmission of COVID. I wrote about the science & what it means we should do now. https://t.co/1j4KnrCugUpic.twitter.com/3W2NOs85tN
3) How is aerosol different from large droplets? This. Also typical air exchange usually means aerosols in air every 20 min to 4 hrs, depending on ventilation. #COVID19pic.twitter.com/YJOQvEzu84
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by artappraiser on Sun, 10/11/2020 - 6:40pm