From a satellite orbiting 500 miles above the earth, the jungles of central Africa can look disarmingly innocent. To the untrained eye, their wrinkled swathes of green offer no hint of the potentially lethal infectious diseases lurking within. But for the past two years, African epidemiologists studying images from earth observation satellites have found that for those who know how to look, those images may contain clues about when and where such diseases might erupt.
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Seeing Ebola from space
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