Ключевые слова: alert, attention, background, bacterium, banner, biohazard, biology, caution, concept, contamination, corona, coronavirus, covid19, danger, design, disease, doctor, epidemic, fever, flu, global, health, hospital, icon, illness, illustration, infection, isolated, medical, medicine, ncov, outbreak, pandemic, person, pneumonia, protection, quarantine, respiratory, risk, safety, sign, stop, stop sign, symbol, virus, warning, warning sign,