Ключевые слова: art product, backgrounds, bacterium, biological cell, biology, black and white, black color, blank, clip art, cold and flu, color image, concepts, coronavirus, covid19, danger, design, digitally generated image, epidemic, fever, flat design, healthcare and medicine, horizontal, icon symbol, illness, illness prevention, illustration, infectious disease, medicine, micro organism, microbiology, modern, no people, outline, pandemic illness, pathogen, protection, repetition, science, severe acute respiratory syndrome, sign, simplicity, square composition, symbol, text, three dimensional, viral infection, virus, white color,