But the grocery store workers are there all the time, and interacting with a wide variety of people. Sure, the chance per person is lower - but overall? And th

But the grocery store workers are there all the time, and interacting with a wide variety of people. Sure, the chance per person is lower - but overall? And the spread on a work crew is limited - there's only 6 people there. But that grocery store worker? Can you define super spreading event?