Ключевые слова: background, concepts, contagious, cure, danger, dosage, dose, drugs, edge, equipment, flu, health, hospital, hypodermic, illness, immunization, infection, injection, inoculation, instruments, isolated, laboratory, medical, medication, medicine, medicines, needle, objects, pharmaceutical, pharmacy, plastic, prick, sickness, syringe, therapeutic, therapy, tip, tools, treatment, vaccination, vaccine, white,