what is the science behind ‘masks help stop you spreading germs , but don’t stop you catching them’

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This is something I’ve heard a lot, and assuming it’s true, what’s the science behind it? Surely holes in masks are the same size no matter whether the germs are heading in or out, but I’m guessing it’s not about the holes and I’m missing something.

Obligatory disclaimer: I’m not an anti-masker, I’m still wearing it in shops for example. This is just me wanting to understand.

In: Biology

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Anonymous 0 Comments

Let’s imagine that you are not wearing pants, you are drunk, and you just randomly piss. You might randomly piss on someone else. And no one else is wearing pants either so when they piss, they piss on you. Now imagine that you put on pants. And now when you piss the piss is mostly stopped by your pants and very little of it will get on anyone else. Other people would have to touch your pants to get your piss on them. But other people can still piss on your pants if they are not wearing pants. You still get their piss on your pants and it will soak through and your legs get wet from piss. Now imagine that everyone is wearing pants. Everyone pisses on their own pants and no one gets pissed on.

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