And compare the news of 1 year without Polio in Africa with the maps from 1988, 2002 & 2012
– Maps from the WHO http://t.co/XFcKv4w8jM—
Max Roser (@MaxCRoser) August 14, 2015
And in the late 80s there were ±300,000 cases of Polio every year.
(Source: bit.ly/1Nf80Xb) http://t.co/GmLPVO2HPM—
Max Roser (@MaxCRoser) August 14, 2015
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