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can someone explain to me how we went from masks don't work to masks are mandatory? do they claim that masks actually work now? or do they just demand they're on at all times and then get hazy on the details behind why
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@augustus @emilis The Japanese are the ones who've been saying the same thing since the beginning, and the thing that makes the most sense, so I'm going with what they say and ignoring baka gaijin pseudoexperts.
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@emilis >they were lying to everybody back then, but they're totally telling the truth now
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@augustus masks work for reducing your ability to spread the coof if you've got it, afaik the original position was to avoid a panic on masks because healthcare professionals needed them
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@augustus @emilis there's no such thing as "work" and "don't work"a virion is teeny-tiny, in the 100nm scale range (some are significantly larger, like mimivirus at 500, but this coronavirus is i think 125), so (putting aside that a single virion on its own is not really much of a threat compared to a significant viral load) you might think it can just float through whatever mask easily (even an n95 has gaps of 300nm). coronaviruses are enveloped, though, meaning they have a lipid-bilayer outer membrane that falls apart outside of water, so what you're worrying about is a virion contained within an enveloping water droplet. this will be emitted by someone sneezing/coughing/speaking/breathing.(one of) the neat thing(s) about water, making it so useful for biochemistry, is that it's naturally sticky. it's a polar molecule with positively and negatively charged sides. so now you have this 125nm virion surrounded by an extra coating of water to make it larger, and if you don't perfectly thread-the-needle through this 300nm hole it's likely your blob is going to get stuck to the side insteadobviously the same goes for wearing a mask yourself to protect others as well, only moreso, because when you cough or something the first gloops of water will get stuck and get bigger catching others on the way out, so your contaminated droplets never make it outsidenothing here offers "perfect protection", but the point is reducing transfer. like i mentioned above, a single virion getting into your body is a whole lot less dangerous than a significant load all at once that gives your body less time to respond, and reducing the amount floating around reduced the likelihood of exposure at all. masks with larger gaps are less effective, but even a simple cloth one is to some degree helpful for protecting others from you. on the other hand, a mask for your own protection won't be much help at all if you take it off and don't vigorously wash hands etc immediately, or if you reuse it (without at least leaving it alone for long enough, i think it's a few days?, to be self-sterilised)anyways, basic take-away is- if everyone wears them, transmissions can decrease significantly- if everyone wears them, the amount of active virions in any given transmission will also decrease significantly, meaning a higher likelihood of only mild infection- masks have a 100 year history of regular use in several countries, and they're really not even a mild inconvenience, and can be helpful to have normalised for anti-surveillance or just when you don't want people randomly talking to you- don't listen to politicians for medical advice- don't listen to your gut instinct either
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@emilis @augustus wilful ignorance yields polarity and societal decay( .... and learning is fun .... ????
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@shmibs @augustus or you could just say they work and not sperg out like a mega autist with a wall of text no one's gunna read
augustus pugin ?
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