Here are the best and worst materials for face masks

As more scientists are presenting evidence that SARS-CoV-2 is airborne and tends to spread, especially in indoor areas, masks are becoming a mandatory protective measure on airplanes, trains and in shared office areas.

But which masks perform the best? As the pandemic progresses, we’re seeing several designs of non-medical masks. But, before you waste your money on useless masks, researchers have determined which ones are the most effective…..more