Ключевые слова: abc, aid, antigen, art, awareness, background, banner, block, care, check, clinic, concept, cube, design, diagnosis, diet, disease, doctor, donor, dose, fever, health, help, hiv, hospital, illness, infection, letter, loss, medic, medical, medicine, nobody, notepad, pen, pills, positive, prevention, protection, reflection, support, symbol, text, toy, treatment, typography, virus, wood, wooden, word,