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
Okay, so many people in here are saying that you primarily catch Covid from surfaces.
This is very much **not true**
We don’t. It’s actually extremely rare.
https://www.nature.com/articles/d41586-021-00251-4
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7333993/
The more important reason here is the aerosol concentration in the air. When there’s a lot of particles that carry Covid in the air, some of those particles will simply find a way to squeeze by your mask, be it through a crack or some of the fibers of a non-FFP2 mask.
This is obviously more likely to happen at higher concentration.
This is the biggest thing: The amount of Covid is in the air is the most important factor.
By wearing masks, **most** of the particles you exhale will be trapped in your mask. This reduces the concentration in the air around you and makes it safer for every other person in the room.
Guys, I say this very often on here, but please validate what you are saying before saying it. There’s large amounts of misinformation in here.
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