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Byline: Paul Salopek
NAIROBI, Kenya _ Even as global health experts praise Uganda for its swift response to the world's latest Ebola outbreak, a grim realization still haunts the doctors who are grappling to control humanity's most terrifying disease.
More than 24 years after the deadly virus first sprang from the Congo's jungles to send shivers of dread throughout the world, scientists admit little has been learned about the basic biology of nature's most efficient human-killing microbe.
Millions of dollars spent on field surveys to locate the virus' source in the African wilds have yielded nothing. A reported breakthrough last year, asserting that Ebola DNA had been found in rodents, has been greeted with widespread skepticism.
Meanwhile, the only new evidence that could help predict future outbreaks comes, ironically, from NASA. A recent study of satellite data shows that the super-bug seems to infect humans most readily during rainy seasons that follow periods of extensive drought _ a vague finding that suggests little…