Let's talk about #airborne transmission of #SARSCOV2 and other viruses. A discussion is needed to improve accuracy and reduce fear associated with the term. /1
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Airborne viruses will eventually settle on surfaces, like the floor and tables, and could be picked up if someone touches them. However, their ability to survive varies with temperature, humidity, and surface material. /7
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They decay gradually over hours or days. It's not like they all stick around for 9 days and then, poof, suddenly disappear. Think of them as fading away. /8
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I should have used cigarette smoke as a better analogy than a breath cloud because smoke has particles that stick around and fall onto surfaces. Tiny water droplets in a breath cloud eventually evaporate into the gas phase. /9
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I think I read from somewhere that sneeze droplets can be up to mm in diameter but may shrink to a few microns when dried. Surgical masks have a filtration efficiency of >50-60% for particles larger than 1 micron. So surgical masks should help, does it make sense? Thank you
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Yes, droplets evaporate to much smaller sizes. Surgical masks are designed to keep the wearer from spreading "germs." They may help reduce the wearer's exposure, but they would need to be tight with no gaps.
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I live in a highrise apt in NYC and take an elevator all the time. is it easy for you to get the Coronavirus in an elevator? thank you in advance for your reply
Thanks. Twitter will use this to make your timeline better. UndoUndo
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Can you point to the evidence that SARS-CoV2 virus participles float around in the air for many hours? I haven’t been able to find any studies showing or suggesting this.
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it’s been over a year now, find any evidence?
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You're not accounting for filtration and the air being refreshed (not re-cycled) every few minutes in airplane cabins.
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