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New hi-tech fridge for life-saving vaccine

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New hi-tech fridge for life-saving vaccine
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Vaccines are fragile, and must be stored in a cool place. This can be a real challenge in countries where temperatures are high and electricity supplies unreliable.

In a bid to find a viable solution, a Welsh company has invented a new kind of refrigerator, which, when fully charged, can run for up to 10 days without any power input at all.