Ключевые слова: aged, anesthesia, anesthetist, antibiotic, background, care, caucasian, clinic, closeup, collagen, confident, cure, doctor, drug, gloves, hand, health, healthcare, holding, hospital, illness, influenza, injecting, injection, insulin, liquid, man, mature, medic, medical, medicament, medication, medicine, narcotic, needle, people, plastic, practitioner, professional, protective, remedy, senior, syringe, treatment, uniform, vaccination, vaccine, virus, white,