Covid-19: Quick summary of differences between N95, P2, KN95 and cloth masks with N95 inserts.

Описание: IN this video I wanted to explain the different masks used during the Covid-19 crisis: P2 vs N95 vs KN95 masks...
I also want to address if cloth masks with an N95 insert are as good as a N95 mask...

Dr George Forgan-Smith
http://thehealthybear.com/about