needle syringe black background Doctor drugs hospital inject injection intravenous medical nurse common disease diabetes diabetic illness insulin sugar cubes doc help medicine sickness stethoscope tools blood blood sample checkup health remedy sick drug healthcare isolated macro object over reflected reflection sample shot vaccination white protection treatment beauty care cute fantasy flu girl person pretty scary sexy wellness woman young Bin caution contain container containment contaminated contamination danger dangerous disposable disposal hospital-objects infectious needles sanitation sharp sharps special substances syringes used abuse aid antibiotics aseptic cannula canula clinic crisis cure curing disease drop emergency first aid healing health care heath medic medicament medicare pain recovery recuperation regeneration rescue research scale science serum sterile therapy vaccine vitamine. iv