Ключевые слова: alert, background, bacteria, bacterium, badge, banner, biohazard, caution, concept, coronavirus, covid19, danger, dangerous, design, disease, doctor, epidemic, flu, graphic, health, icon, ill, illness, illustration, infection, infectious, influenza, insignia, isolated, label, letter, mark, medical, outbreak, pandemic, pathogen, pathogenic, pneumonia, quality, quarantine, respiratory, retro, rubber stamp, seal, sign, sticker, symbol, virus, warning,