The virus travels in water droplets, some small, some large. Larger water droplets can carry more of the virus, so they are more likely to infect. They are also the ones masks are most effective at stopping.
So what can we conclude about the effectiveness of masks from first principles? I have no idea! Arguing about particle size and virus size is silly as the picture is much more complex. Likely their effectiveness is marginal at best and conventional wisdom is correct: No one should be wearing cloth masks, except maybe a surgical mask during surgery.
Water droplet land on mask, you breathe in the pathogen from said water droplet for hours on end because its on your mask.
Which could make masks even less effective as they dry out the droplets, releasing viral particles into the air in a form not stoppable by any mask. There is possibly a time component to it such that if you wear a mask for longer than a certain period of time its effectiveness wanes or even becomes negative.
That masks are not appropriate for medical use as per the packaging they come in no one reads that has to be there by law so that the manufacturer doesnt get sued when someone uses them for something theyre not designed for.
Like wearing them for more than 15 minutes at a time and not throwing them out.
Unless youre in a full hazmat suit with your own decontamination crew you can fuck right off with your bullshit 'worlds deadliest pandemic' horseshit.
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