Yeah, ordinary masks are useless in the fight against Covid but respirator-grade ones like 3M 6000, 3M 7500 and such are good. Combined with both the right protective goggles like swimming ones and gloves they are capable to safe your lives. In this respect, it is also important to select correct size for both respirator and goggles that fits the face. 3M 7500 family:
This mask is not to face Covid.
It is for soldiers that are fighting in Syria... Stop scaring people and try to make them buy things that they are not necessary for them.
This situation and discussions just cause panic to them...