Peddling an idea

The Bill and Melinda Gates Foundation is a charitable organization that has laudable goals including improving healthcare and reducing extreme poverty.  One of its current fights recently suffered a setback when it was announced that a polio outbreak had struck Tajikistan, a place that had previously beaten back the disease.  With an infusion over the last two years of more than half a billion dollars and a world-wide expense of nearly $10 billion USD, polio has yet to be beaten.  Success in this campaign is far from guaranteed; so far, humanity has managed to use its skills to eradicate exactly one disease: smallpox.  Regardless of whether we manage to vanquish polio, we will certainly face other diseases.  Is there are more sure-fire way of saving lives?  Perhaps even one that could also help reduce poverty at the same time?

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