Why is soap so good at preventing coronavirus?

Washing your hands with soap for twenty seconds regularly is one of the best things you can do to prevent coronavirus.

You don’t need special antibacterial soap because coronavirus is a virus. Antibacterials have no effect on it.

Here’s Palli Thordarson, aprofessor of chemistry explaining how it works. Here comes the science part.

https://twitter.com/PalliThordarson/status/1236553253736738816