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
It’s just not true. It’s something people started parroting 1 year ago. Every study done on this has shown a protective effect by wearing simple surgical masks, in and out of hospital settings.
It works by helping keep other people’s droplets off of your mucous membranes. It also helps keep your droplets off of other people’s mucous membranes.
Latest Answers