If an airplane passenger sneezes several rows away from you, you’re probably in the clear, right?

Wrong.

An unbelievable animation simulates where pesky airborne germs spread on an airplane.

Robert Harwood, of ANSYS Inc., explained today on “The Real Story” that the simulation shows air flow in a typical airplane cabin.

Listen to Harwood explain in the video above. Plus, check out the full simulation and photos of air flow below.

First: the sneeze...

It starts to spread...

Then...

And then...