When you sneeze, do you think about how those germs might affect someone in a different continent? Does the film 28 Days Later seem like complete fiction? Then you may want to watch this incredible visualization of how a virus spreads.

It’s a great video to show in your science or health class, but it’s downright awesome to just watch right now. The video below is from Take Part’s pandemic and disease prevention campaign. It shares how a virus spreads, could turn into a pandemic, and how we can each help prevent outbreaks.

Want to learn more or get a book to add to this lesson? Check out A Planet of Viruses by Carl Zimmer. His Science Ink side project is also a must-see.