While waiting at the GoKart pickup area for a minor error to be corrected by my shopper, I approached the driver of the car waiting in line behind me to apologize for causing them a delay. The driver (unmasked) warned me to stay well back because they had covid. My shopper came out with my corrected order and the order for the other car. I relayed the warning to my shopper (who was masked). I would suggest that the checkout area of your page include a check box to allow covid positive customers to warn their shoppers. Thank you. I've had nothing but excellent service through GoKart, and the shoppers are marvelous. Let's keep them safe, please.