Smallpox is the first and only human disease we’ve totally wiped out. However, thanks to breakthroughs made while eradicating smallpox and a number of other creative solutions , we’ve come really close to making a few more diseases a thing of the past.

This episode contains images of disease.

Hosted by: Michael Aranda

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Find out how smallpox became the first (and only) disease to be permanently eradicated through the use of vaccination and isolation to prevent transmission.

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For most of human history, we have sought to treat and cure diseases. But only in recent decades did it become possible to ensure that a particular disease never threatens humanity again. Julie Garon and Walter A. Orenstein detail how the story of smallpox – the first and only disease to be permanently eliminated – shows how disease eradication can happen, and why it is so difficult to achieve.

Lesson by Julie Garon and Walter A. Orenstein, animation by TOGETHER.

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View full lesson: http://ed.ted.com/lessons/learning-from-smallpox-how-to-eradicate-a-disease-julie-garon-and-walter-a-orenstein