Ключевые слова: alert, alphabet, background, biology, care, concept, conceptual, cube, cubes, disease, drugs, education, epidemic, font, health, icon, illness, infection, information, letter, medical, medical concept, medical drugs, medical mask, medicine, message, notice, object, pandemic, preparations, sign, spell, symbol, symbols, syndrome, text, type, vaccine, view top, virus, warning, white, white background, wood, wooden, wooden cubes, word, words,