Ключевые слова: appointment, background, black, board, care, chalk, clinical, conceptual, diagnose, diagnosis, disease, epidemic, error, fail, hand, heal, healing, health care, healthy, holding, hospital, ill, immunisation, laboratory, male, medic, medicals, medication, medicine, note, nurse, prevent, prevention, random, remedy, signs, stethoscope, text, vaccination, vaccine, virus, white, word,