11 US government researchers have found that wearing two masks is more effective than one (www.cdc.gov) posted 3 years ago by wolfy 3 years ago by wolfy +12 / -1 18 comments share 18 comments share save hide report block hide replies
Well given that I'm still alive/uninfected despite having lived life as normally as possible (and that includes multi-state travel) I'd say no mask can be pretty darn effective too