Ключевые слова: airborne illnesses, aisle, bacteria, bio safety, cleanliness, concern, contamination, counter surface, danger, environment, food, foodborne illness, germ, health, healthcare, hygiene, invisible threat, lettuce, medicine, microbe, microbiology, outbreak, pathogen, pathogen biology, produce, product, research, retail, risk, spore, store, supermarket, surveillance, vegetables, well being,