Ключевые слова: adult, aged, background, care, clinic, clinical, concept, doctor, doctoral, doctorate, epidemic, female, general, health, healthcare, healthy, hospital, medical, medicine, occupation, office, old, outbreak, patient, peace, people, person, physician, pills, pollution, practice, premedical, protect, recovery, research, science, senior, single, specialist, staff, stethoscope, surgeon, tool, uniform, virus, warming, wellbeing, white, woman, world,