The best way to protect yourself from COVID-19 is the same as what you probably already do to avoid influenza, colds and other illnesses. The most important thing you can do to prevent COVID-19 and other illnesses is to wash your hands regularly and avoid touching your face.
Washing your hands properly means using soap and water and washing for at least 20 seconds. You can also use hand sanitizer with alcohol in it. However, if your hands have dirt or food or anything else on them, you should use soap and water. Hand sanitizer may not clean the debris away as thoroughly as washing with soap and water.
If you have to cough or sneeze, try to do so into your elbow or a tissue. Immediately wash your hands afterwards. Stay away from other people who are ill. If you are sick yourself, stay away from others.