Is the SARS-CoV-2 virus comparable to a man who accosts you in the street and tries to steal your phone and wallet? Boris Johnson used the image of virus-as-mugger in his Downing Street statement today:

If this virus were a physical assailant, an unexpected and invisible mugger, which I can tell you from personal experience it is, then this is the moment when we have begun together to wrestle it to the floor.