Ключевые слова: attention, bacterium, bio, biohazard, biological, caution, chemicals, chinese, contamination, corona, coronavirus, danger, dangerous, death, disease, emblem, epidemic, flat, flu, hazard, health, icon, illness, infected, infection, isolated, man, medical, medicine, pandemic, pneumonia, protect, protection, radioactive, risk, shield, sign, sticker, toxic, triangle, vaccine, virus, warning, weapon, white, zone,