Listen here: http://www.bbc.co.uk/programmes/p055bg9k Picture: Candid photo of twin toddlers. Credit: Getty images Local technology helps Malawi reduce childhood deaths by 72 per cent. It has been reducing its child mortality rates since 1990, through government funding and home-grown ingenuity, says Dr. Queen Dube, head of paediatrics at the Queen Elizabeth Central hospital in Blantyre.

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