Washing your hands is a great way to help keep yourself from getting sick.
It's especially important to wash after you've been in a public place and before you eat.
Avoiding touching your eyes or nose helps, too. If you have virus on your hands, it can get into your body that way.
However, COVID infections usually come from breathing in air that has virus in it. That's why — for COVID — these tools are more important than hand-washing: