> If you're alone and no one is within 10+ yards of you, who is going to be infected? If someone unexpectedly approaches and gets within 10 yards of me, how lo

> If you're alone and no one is within 10+ yards of you, who is going to be infected? If someone unexpectedly approaches and gets within 10 yards of me, how long will it take me to put on my mask? Can I do so before that person's within 2 yards? Better to just leave it on and leave it be rather than spend all day fumbling with it. That is: > We need a steady state of vigilance. Wearing a mask when out in public is that steady state. Taking it off because you think you're alone is a deviation from that steady state.