Ключевые слова: action, air, alert, anti, antiviral, background, ban, banner, bus, care, corona, coronavirus, covid 19, covid19, craft, disease, double decker, health, icon, infection, isolated, line, medical, navy blue, no, outbreak, plane, poster, prevention, protect, protection, quarantine, railway, safety, sars, ship, sign, social, stop, symbol, text, train, travel, viral, virus, warning, white,