Ключевые слова: abstract, aisle, bacteria, biohazard, cleanliness, closeup, concept, concern, contamination, display, ecoli, food, fresh, fruits, germ, green, grocery, healthy, hygiene, illness, infection, lettuce, microbe, microscopic, produce, public, retail, risk, salmonella, sanitation, shelves, shopping, store, supermarket, vegetables, virus,