By last count in 2016, the world saw just 37 new cases of polio. That's down from more than 400 in the late 1980s
But the graph's y axis says "thousands". From 400,000 to 37 is a bit more meaningful than from 400 to 37.
But the graph's y axis says "thousands". From 400,000 to 37 is a bit more meaningful than from 400 to 37.
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