Ключевые слова: business, circle, community, concept, contagious, corona, coronavirus, covid, covid19, customer, disease, distance, distancing, epidemic, feet, floor, footprint, health, isolation, message, outbreak, pandemic, person, prevention, protect, protection, public, quarantine, risk, round, safe, safety, shoe, sign, social, social distancing, space, spread, stand, standing, symbol, virus, woman,