Disease-control software in cell phones is touted as boon to global public health . More than half of world 's cell phones are in developing countries . Health workers in Kenya stopped spread of polio in '07 using EpiSurveyor . Comment: Selanikio invented EpiSurveyor in 2003 , Relaying information at appropriate time is life-saving .
Disease-control software in cell phones is touted as boon to global public health . More than half of world 's cell phones are in developing countries . Health workers in Kenya stopped spread of polio in '07 using EpiSurveyor . Comment: Relaying information at appropriate time is life-saving .