How we conquered the deadly smallpox virus - Simona Zompi

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For 10,000 years, humanity suffered from the scourge of smallpox. The virus killed almost a third of its victims within two weeks and left survivors horribly scarred. But Simona Zompi commends the brave souls -- a Buddhist nun, a boy, a cow, a dairymaid and physician Edward Jenner -- who first stopped the spread of this disastrous disease, to make us smallpox-free today.

Lesson by Simona Zompi, animation by Augenblick Studios.