Anonymous 09/18/2020 (Fri) 00:19:48 No.47515 del
How's this for science? Cloth masks are good for Covid but don't work on wildfire smoke - go figure...

CDC slammed on Twitter for warning that cloth masks don't offer protection from wildfire smoke

https://www.washingtonexaminer.com/news/cdc-slammed-on-twitter-for-warning-that-cloth-masks-dont-offer-protection-from-wildfire-smoke