54 WOAH: CDC QUIETLY Updates Guidelines To Say Masks DON'T WORK (www.thedailyfodder.com) posted 3 years ago by JohnPaluska 3 years ago by JohnPaluska +69 / -15 18 comments share 18 comments share save hide report block hide replies
Oh, I didn't realize people thought they were 100% effective. Even N99 masks only filter 99% of particles.