Ключевые слова: accident, alphabet, answer, assistance, black, block, business, care, concept, cube, danger, design, diagnosis, disease, emergency, epidemic, health, help, icon, idea, illness, infection, inscription, letter, life, medical, medicine, message, object, pandemic, pharmaceutical, rescue, safety, service, shape, sign, sos, space, stethoscope, support, symbol, text, treatment, virus, warning, white, wood, word,