Ключевые слова: allergy, art, attention, bacteria, blood, bottle, china, color, colorful, contour, corona, coronavirus, covid19, digital, doctor, drop, glass, health, icon, infection, influenza, isolated, laboratory, line, linear, mask, medical, medicine, microbe, ncov, needle, outline, papilloma, pharmacy, pop, popart, protection, set, stop, temperature, test, tool, tube, virus, vitamin, warning, wuhan,