A number of viruses have arrived from Africa and Asia in recent years, and the Zika virus is the latest. The World Health Organization has described it as "spreading explosively" and states that it expects millions of acute cases and a large number of newborns in affected areas that might be born with abnormalities. What is Zika? How does it spread and what are the symptoms? Can it be treated or prevented? What does it mean for the average American?
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A number of viruses have arrived from Africa and Asia in recent years, and the Zika virus is the latest. The World Health Organization has described it as "spreading explosively" and states that it expects millions of acute cases and a large number of newborns in affected areas that might be born with abnormalities. What is Zika? How does it spread and what are the symptoms? Can it be treated or prevented? What does it mean for the average American?
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