Fortunately nobody's requiring you to do that. Viral load is what matters, and a pixie stick could be loaded with a LOT.
Conversely, pre-symptomatic & asymptomatic people have such a low viral load that it's silly to be concerned about them being contagious. Someone inordinately susceptible (like an immune system deliberately suppressed by medication, or lockdown) should take their own precautions.
Fortunately nobody's requiring you to do that. Viral load is what matters, and a pixie stick could be loaded with a LOT.
Conversely, pre-symptomatic & asymptomatic people have such a low viral load that it's silly to be concerned about them being contagious. Someone inordinately susceptible (like an immune system deliberately suppressed by medication, or lockdown) should take their own precautions.