There are no Americans now as there is no America — we no longer have a country. No borders, no Bill of Rights, no Constitution, a discriminatory rule of law, and an intimidated SCOTUS that rules out of fear and not as to the Constitutionality of laws/decrees.
As to masks, one only needs to look at particle sizes of viruses versus the particle size of what a mask, even an N-95 mask, would prevent from passing Largest virus particle size is about 0.18 nanometers while an N-95 mask only stops 95% of particle sizes LARGER than 0.30 nanometers..
alternativebyfritz 
There are no Americans now as there is no America — we no longer have a country. No borders, no Bill of Rights, no Constitution, a discriminatory rule of law, and an intimidated SCOTUS that rules out of fear and not as to the Constitutionality of laws/decrees.
As to masks, one only needs to look at particle sizes of viruses versus the particle size of what a mask, even an N-95 mask, would prevent from passing Largest virus particle size is about 0.18 nanometers while an N-95 mask only stops 95% of particle sizes LARGER than 0.30 nanometers..