Abu Dhabi (UAE), Apr 25 (EFE).- The richest man in the world, Carlos Slim of Mexico, and the second richest, Microsoft founder Bill Gates, are joining forces in an ambitious plan to wipe out polio for good.
EFE TV - MADRID - 12:50 GMT.
Keywords: efe-bill-gates-carlos-slim-polio-eradicate-disease-philanthropy
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