Ключевые слова: adult, arm, background, care, caucasian, clinic, closeup, disease, doctor, drug, female, flu, girl, health, healthy, hospital, illness, immunization, influenza, injectable, injection, intramuscular, medical, medicine, muscle, needle, nurse, patient, people, sterile, syringe, teen, treated, treatment, upper, vaccination, vaccine, vaccines, woman, women,