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Replying to @stewartbrand
As stated earlier, for clinical settings, face shields and masks are preferable. For leisure, everyone wearing masks should be enough. If you are thinking of only wearing a face shield, you might as well wear nothing...
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Replying to @DanielleFong @stewartbrand
Because only wearing a face shield won't protect you from particles going around the face shield. Sometimes a false sense of security is worse than not doing anything at all...
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Replying to @Pravduh15 @stewartbrand
It maybe be a matter of what is the fraction of the particles that are reduced, especially as compared to the N95 mask, which supposedly capture 95%, but it's actually all over the place.
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Replying to @DanielleFong @stewartbrand
Imagine breath forms an aerosolized cloud, like smoke. If you exhale that smoke through fabric and someone else was wearing a fabric mask, would that be preferable to a face shield?
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Remember that the water droplets are the primary means of transmission.
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Replying to @Pravduh15 @stewartbrand
Yes, I'm saying, I have a lot of experience with the dynamics of water spray in air from my experience in LightSail, and it matters a lot how much (a) viral load theories are true and (b) what the size distribution is of the droplets.
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