touch your face until you wash your hands. You can wear any generic mask to "teach" you to not touch your face.
You don't need to go to the hospital unless you are short of breath. If you get short of breath just walking or resting, you should go to the hospital, otherwise stay home and recover.
It's just a message of hope that YOU are in control on whether you get sick. If you do all the preventive measures, you won't get sick. (The problem he recognizes is people touch their face too much and too frequently) Training yourself to not touch you face is probably the best thing you can do.