>>9974651 (pb)

sauce?

>>9974651 (pb)

>>9975087

Good slides.

>>9975156

>https://apps.who.int/gpmb/assets/annual_report/GPMB_Annual_Report_English.pdf

Page 39:

…including one covering the deliberate release of a lethal respiratory pathogen

>>9975293

>>9975191

>The air breathed out is not filtered at all!!!

Depends on the version of the N95 mask. I have some that do not have the exhaust port.

Regardless, N95's only filter down to 300 nanometers.

>>9975606

You just dated yourself. Me too. kek