Bernd 05/05/2020 (Tue) 17:08:36 No.36552 del
>>36550
According to recent ordinance, they recommend wearing scarfs, kerchiefs, whatever beside surgical and other medical masks.
I think the rationale is, that the virus spreads from our mouths via drops, and the barriers should be enough to prevent this moisture getting into the air, or slow them down so they don't travel meters. They don't need to be able to filter virus sized stuff.