Look, I don’t know much epidemiology. Can’t pretend to. So what follows is, necessarily, a personal finger to the wind. But perhaps it chimes with your experience.
First time round — back in the days when we were all huddled indoors, leaving the house only to stand on the doorstep of a Thursday night to bang pans with a wooden spoon, or making solo expeditions to a denuded supermarket where we do-si-dohed around each-other in the aisles… yes, back in those days, I didn’t know very many people who got Covid.