The difference is that with Ebola, it is such a devastating disease, and there is still no cure. They're still working on vaccines. The fact of the matter with polio, there is a cure; there is a vaccine.

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“The difference is that with Ebola, it is such a devastating disease, and there is still no cure. They're still working on vaccines. The fact of the matter with polio, there is a cure; there is a vaccine.”