Biosilver improving surgical masks’ protection against coronavirus

INTRO

Are surgical masks meant to protect you against viruses? Well, this is something to treat very carefully: surgical masks type I or II (let’s forget some differences between EU, US or other systems) must typically pass 3 tests:

• BACTERIAL FILTRATION
• BREATHABILITY
• BIOBURDEN

IIR masks (used in hospitals) must also pass the SPLASH TEST.

As you can notice, no tests are done against…