The CDC offers these updated tips to improve how your mask protects yourself and others. 

• Always wear a mask when you are in public, or around people who are not in your immediate household.
• Wash your hands often. Washing your hands with soap and water for at least 20 seconds. If soap and water are not available, use an alcohol-based hand sanitizer with at least 60% alcohol.
• Cover coughs and sneezes with your arm or your inner elbow. 
• Throw used tissues in the trash.
• Avoid touching your eyes, nose, and mouth. 
• Avoid close contact with people who are sick.
• Put distance between yourself and other people. 6 feet is advised. 
• Stay home when you are sick.
• Call ahead before going to your doctor.
• Clean and disinfect frequently touched surfaces daily.

More prevention tips from the CDC