Swine Flu

Swine Flu: Clearing Up The Numbers

Zachary Roth | May 1, 2009, 10:25AM

As we try to figure out just how concerned to be about swine flu (yeah, we're still calling it that, even if Obama won't), the key indicator we're all looking at is the scale of the outbreak in Mexico, where all this appears to have begun (though that's no longer certain (sub. req.)).

But the Mexican government has used several different metrics to gauge that question. And the numbers, of course, have been been constantly shifting in the last few days as the situation changes. So we thought we'd try to clear up the confusion by briefly laying out what the different numbers are, and what they mean.

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