Ключевые слова: abstract, alert, america, background, banner, biohazard, concept, continent, coronavirus, covid, danger, dangerous, design, digital, disease, dot, dotted, earth, element, epidemic, flu, geography, global, globe, graphic, halftone, hazard, illustration, infected, infection, information, isolated, map, medical, medicine, microbiology, outbreak, pandemic, pattern, planet, pneumonia, red, secure, sign, stop, symbol, virus, white, world,