Click here to read more from Slate on the swine flu.
As one blogger put it, "If you've seen one flu pandemic, you've seen one flu pandemic." But figuring out exactly what's happening in Mexico will give us a much better idea of what we can expect around the world.
Correction, April 29, 2009: This article originally miscalculated the potential kill rates of swine flu. (Return to the corrected sentence.)