Edward Jenner saved millions of lives, not by finding a cure for a disease but by stopping people from catching it: he created the first vaccine. Now, thanks to Jenner, no one catches smallpox, a horrible, deadly disease. Today, vaccines are used to stop the spread of equally awful diseases, saving lives without us even knowing it.

The story behind the image

What is being shown in this design?

Vaccinia virions design

We created this design from an image of "Vaccinia virions". A virion is a single, complete, and infectious virus particle. The image was taken using electron microscopy, which uses electrons (instead of light) to create the image.

Vaccinia virus is normally confined to cattle, but is conveyed to humans through vaccination, thereby imparting immunity to the smallpox virus.

You can see the original image below:

Vaccinia virions