Originally Posted by
drywhitetoast
Surgeons use masks to stop bacteria spread and contaminants. Not virus. Bacteria is much larger than a virus. Sounds like you need to do some remedial internet research.
Sounds like somebody doesn't understand what science actually is and how to differentiate between objective facts and subjective memes and other BS. Here's a summary of the studies showing mask efficacy so far, including the names of the studies themselves which you can copy & paste then read for yourself if you don't trust the cogent and well-documented review:
http://files.fast.ai/papers/masks_lit_review.pdf
Enjoy!