Ключевые слова: 2019ncov, abnner, alarm, attention, background, biohazard, calm, caution, close, closed, coronavirus, covid, covid19, danger, disease, epidemic, europe, fence, health, home, hospital, icon, illness, illustration, infect, infection, keep, medical, notification, outbreak, pandemic, pneumonia, protection, quarantine, required, sars, sign, sing, sorry, stop, stop sign, symbol, treatment, virologist, virus, warning,