Skip to main content

How do vaccines work? - Kelwalin Dhanasarnsombut

3,138,970 Views

80,882 Questions Answered

TEDEd Animation

Let’s Begin…

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.

About TED-Ed Animations

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

More from Inventions that Shape History