The reduction of Polio in Africa. http://t.co/JKL1Kfx2qr—
Max Roser (@MaxCRoser) June 29, 2015
The reduction of Polio in Africa
10 Jul 2015 Leave a comment
in development economics, growth disasters, growth miracles, health economics Tags: Africa, anti-vaccination movement, polio, quackery, vaccinations, vaccines
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