Sadly, as hot spots of COVID infections keep popping up around the world, we need to be reminded that we cannot let our guard down, both for ourselves and for others. The only weapons we have at the moment that we know can work are social distancing and wearing our masks. Here is a small sample of guidelines from around the world as to how you can judge that you are really 2m (6 ft) from others by imagining animals between you. It works for sports equipment, too. Maybe you’d like to add your own guidelines!