History of Polio - Part I: Suffering the disease

Published by : PAHO TV
Part I: Suffering the disease https://youtu.be/PfoxqghXxEs
Part II: Progress in the Americas https://youtu.be/p53CquE_bpE
Part III: The Polio Endgame https://youtu.be/159VEFrDQj0
(Español: https://youtu.be/Qra3WVDGIr0)
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