Ключевые слова: 3d, art, attention, bacteria, biology, blue, button, cell, circle, contour, disease, epidemic, flu, forbidden, health, human, icon, illness, illustration, infection, influenza, isolated, isometric, line, linear, lineart, medical, medicine, micro, microbe, microbiology, ncov, organism, outline, pandemic, prohibition, protection, science, stop, symbol, virus, warning, white,