Why Haven't We Eradicated Polio?

The video discusses the history and near-eradication of polio, highlighting the development of vaccines by Dr. Jonas Salk and Dr. Albert Sabin. It explains the transmission of the poliovirus, the role of sanitation, and the differences between inactivated and oral vaccines. The video also addresses the challenges of vaccine-derived polio and the global efforts to eradicate the disease completely.

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