martes, 16 de marzo de 2010

Futurity.org – West Nile likely traveled by mosquito, not bird

Futurity.org – West Nile likely traveled by mosquito, not bird - “However, the rapid spread of West Nile did not follow a leap-frog pattern or move north to south along migratory bird routes like we would expect,” he says. “When you see such rapid movement, one of the main questions we ask is: 'What ...

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