title: New CDC guidelines outline four "E's" for injection safety.
mesh_terms: D003141:Communicable Diseases / Q000209:etiology*; D017743:Equipment Reuse; D004869:Equipment Safety; D006282:Health Personnel; D006801:Humans; D007267:Injections / Q000009:adverse effects*; D007318:Inservice Training; D017751:Safety Management / Q000458:organization & administration*; D013594:Syringes; D014481:United States