Clean Your Hands!
You should clean your hands after touching.
Did you know that Everytime you touch something almost a million of Bacterias get on you?
So, you should start thinking about that, for example a public pen, those pens are shared with a lot of people and it don't get clean there could be more than a million of bacterias, So, you should start bringing your own pen.
This is a picture of a lot of bacterias that have been seen by a microscope.
This is an example of how do bacterias look like.
Viruses are everywhere!