Disease - control software in cell phones is seen as boon to global public health . Physician and epidemiologist Dr. Joel Selanikio predicts that within a year , health officials will be using the technology to track other threats in developing nations , such as the recent Mexican swine flu outbreak . More than half of world 's cell phones are in developing countries . Health workers in Kenya stopped spread of polio in early 90s using EpiSurveyor . Kenyan health care worker : Relaying information at appropriate time is life - saving .
Disease - control software in cell phones is seen 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 early 90s using EpiSurveyor . Kenyan health care worker : Relaying information at appropriate time is life - saving .