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Officials Prepare For Another Flu Pandemic — Just In Case
There's been a buzz of activity at the Centers for Disease Control and Prevention in Atlanta since scientists got their first samples of a new bird flu virus from China four weeks ago.
Already they've prepared "seed strains" of the virus, called H7N9, and distributed them to vaccine manufacturers so the companies can grow them up and make them into experimental flu vaccine.
They've also come up with a new diagnostic test for H7N9 that the Food and Drug Administration has approved on an emergency basis.
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