Ключевые слова: access, attention, background, barricade, barrier, black, caution, concept, coronavirus, covid19, crime, criminal, danger, dangerous, design, disease, elements, epidemic, graphic, hazard, illustration, infected, infection, isolated, line, outbreak, overlapping, pandemic, prohibition, protect, protection, quarantine, restricted, restriction, ribbon, safety, security, sign, stop, symbol, tape, virus, warning, yellow, zone,