I think you need to define a safety margin first in order to have a serious discussion. If we consider a safety margin of 100% (no chance to get infected) then

I think you need to define a safety margin first in order to have a serious discussion. If we consider a safety margin of 100% (no chance to get infected) then you're right, complete protective gear is all we have. If you allow let's say a margin of 98%, meeting people outdoors an keeping a distance will be ok. And so on.