Reuse of syringes, all too common in under-funded clinics, kills 1.3 million each year. Marc Koska clues us in to this devastating global problem with facts, photos and hidden-camera footage. He shares his solution: a low-cost syringe that can’t be used twice. (Recorded at TEDGlobal 2009, July 2009, Oxford, UK. Duration: 4:46)
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