Ключевые слова: adult, anesthetic, antibodies, arm, care, caregiver, caucasian, clinic, closeup, disease, doctor, dose, drug, elderly, female, flu, hand, health, healthcare, hold, hospital, illness, immunity, immunization, injecting, injection, mature, medical, medicine, needle, nurse, pain, patient, person, pharmaceutical, prevention, professional, protection, retired, sick, sterile, surgical glove, syringe, vaccination, vaccine, virus, white, woman, worker,