Ключевые слова: abstract, abstraction, arrows, biohazard, blue, caption, change, collage, combination, coronavirus, covid 19, dangerous, distress, exchange, flu, fractal, grunge, guilloche, illness, mix, mosaic, motion, move, movement, navigation, pandemic, phrase, process, random, randomize, recursion, recursive, repeating, replace, rough, round, seal, shuffle, sick, stamp, strain, swap, syndrome, textured, title, vertical, virus, yota,