How humanity achieved the impossible by permanently erasing a disease

Learning from smallpox: How to eradicate a disease - Julie Garon and Walter A. Orenstein · 5:45 · Video: TED-Ed · Watch at the source

In short: Smallpox remains the first and only human disease to be permanently eradicated. This video explores the specific strategies used to ensure this threat never returns to humanity.

Julie Garon and Walter A. Orenstein detail the historical shift from merely treating and curing diseases to the modern capability of ensuring a disease no longer threatens mankind. The process relied on the dual pillars of vaccination and the isolation of cases to halt transmission.

The lesson examines the mechanics of how such an achievement is possible and the immense difficulties involved in reaching total eradication.

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