About masks from OSHA. "what about breathing in with an N95 mask, are you protected from the virus in the air standing next to the guy coughing? N95 masks filter 95% of inhaled particles down to 0.3 microns. The virus is 0.07-0.09 microns. Conclusion: an N95 mask will not filter the virus from the inhaled air." There are warning labels on class2 medical masks which states 'does not prevent transmission of Covid 19' There is a warning label on the box of masks you can buy at Home Depot which states 'does not prevent transmission of any disease. And people are still putting a cloth rag on their face thinking it does something. And they get angry if you don't agree with them.