does anyone know of actual data on this? i& #39;ve ~heard~ that multiple layers of cotton are partially effective* (obviously much less effective than the ones with filters, but better than nothing)

*preventing you from spreading the virus, not protecting you from getting the virus https://twitter.com/DocSighsALot/status/1245457689116700672">https://twitter.com/DocSighsA...

in my experience with wearing (cloth and medical-grade) masks in the us (both now and in the past), people will stay the hell away from you, so that& #39;s definitely a benefit https://abs.twimg.com/emoji/v2/... draggable="false" alt="😅" title="Smiling face with open mouth and cold sweat" aria-label="Emoji: Smiling face with open mouth and cold sweat">

the only exception to this is if its fire season and you& #39;re wearing an n95, then people won& #39;t stay away from you