Mutant Form of Cold Virus Can Be Deadly

More than a thousand people in Oregon, Texas, Washington and New York have been infected with a...

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December 12th, 2007 - 13:40

Mutant Form of Cold Virus Worries CDC Experts

A new unusually threatening virus that leads to colds and other respiratory infections has caused...

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November 16th, 2007 - 10:47