Grocery store employees are among the workers on the front lines as Colorado battles a coronavirus outbreak — playing a sort of Russian roulette with their health for modest pay while dealing with masses of sometimes-frantic customers. “You are scared of everything — it’s normal, even if you wash your hands 100 times a day, even if you use sanitizer,” said Giuseppina Petty, who works in the cheese department at a King Soopers in Boulder.