....Unless the public is moving through clouds of suspended viruses, wafting slowly through a room, like smoke from a cigarette. There's also a new, more contagious strain spreading about, so far fewer inhaled viruses are needed to contract Covid 19. Mutated COVID-19 Viral Strain in U.S. and Europe 10 Times More Contagious than Original StrainHow close are you to people?
Paramedics wear masks that look like from the ghost busters. I'm sure the everyday public doesn't need all that.
Agreed, but if airborn, rather than droplet transmission is found to be significant, high risk individuals might choose to go with the most effective masks they can obtain.even a partially effective mask is better than none at all...better still is keeping distance (6 feet/2 meters is a minimum, not absolute) and reducing time within snotshot makes a partially effective mask more effective...