How do vaccines work? - Kelwalin Dhanasarnsombut
3,164,516 Views
81,029 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.
Why does inoculating with cowpox protect against smallpox but a standard flu vaccine cannot protect against every flu strain?
Sign in to answer questionAbout 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
