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The U.S. will soon set up screening procedures, according to the CDC. But one expert questions the usefulness of screens. And history backs him up.
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Tom Frieden tells NPR's All Things Considered that he's confident new measures to screen airport passengers for the deadly disease will be announced this week.
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The mishaps mean federal scientists need to "take a hard look" at all federal research on deadly pathogens and make sure, in each case, that the benefits justify risks, says Dr. Tom Frieden.