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antibiotic, antibodies, arm, baby, care, child, closeup, concept, diabetes, disease, disposable, doctor, drug, epidemiology, flu, health, hypodermic, illness, immune, immunity, infant, infection, infectious, injecting, injection, medical, medication, medicine, mumps, needle, nurse, patient, pediatrician, pertusis, physician, prevention, professional, protection, protective, small, smallpox, syringe, therapy, treatment, vaccinating, vaccination, vaccine, virus,