• The patches are about a square centimetre in size, and one side is lined with 100 solid, conical micro-needles made from polymer, sugar, and a vaccine drug. And when we say 'micro', we mean it - they’re each only a fraction of a millimetre long.
  • When the patch is applied to the skin, the micro-needles are inserted into the upper layers of the skin before dissolving and releasing the vaccine. They're so close to being ready, the researchers expect to start clinical trials with a measles variety in 2017.
  • Cheap to produce, easy to store, and requiring no medical professional to administer, these nifty little devices could change everything.

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