- #26

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You can understand what an epidemic is, yes, but if someone has a particular mathematical model of how epidemics spread that makes predictions that have matched the data so far, and that model has some counterintuitive feature that makes you want to disbelieve its predictions about some possible future epidemic, you won't get very far criticizing the model if you don't understand the math.you can perfectly well understand what an epidemic is without understanding any of the various mathematical models of how they spread