What the CDC recommends for prevention of the Corona Virus(COVID 19) infection:
Wash your hands often with soap and water for at least 20 seconds, especially after touching public door handles and keyboards; going to the bathroom; before eating; and after blowing your nose, coughing, or sneezing.
Avoid touching your eyes, nose and mouth.
Cover your cough or sneeze with a tissue, then throw the tissue in the trash.
Clean and disinfect frequently touched objects and surfaces using a regular household cleaning spray or wipe.