For detailed information about the efficacy of different types of mask, see "THE GREAT FACE MASK CON” by Bradley Loves . . .
And an Op-Ed in The Tennessee Star by Dr Simone Gold, a qualified medical doctor and lawyer. "The Covid virus was supposed to be contained in the kind of lab where people wear astronaut suits and go through triple sealed doors. It is a con of massive proportion to assert that now, having escaped those environs, a bandana will magically do the trick. " . . .