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TED-Ed

How do vaccines work? - Kelwalin Dhanasarnsombut

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TEDEd Animation

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The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does this seemingly counterintuitive process work? Kelwalin Dhanasarnsombut details the science behind vaccines.

Watch the video and finish the Think section to complete the lesson.


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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

Educator
Kelwalin Dhanasarnsombut
Director
Veronica Wallenberg
Animator
Johan Sonestedt, Joakim Jonsson
Script Editor
Emma Bryce
Narrator
Addison Anderson

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