Patients seen at a Las Vegas clinic found to be reusing syringes and medication vials are scrambling to get tested for a variety of serious diseases, including hepatitis C and HIV. As many as 40,000 patients may be impacted by the scandal. The question is, why are such mistakes happening at endoscopy centers like this one--which is not the first to face similar charges--and how can the industry make sure that such employees are better educated? Article