To minimize the spread of any respiratory virus (including things like the flu/influenza and COVID-19), Health and Community Services recommends the following:

• Maintain a physical distance of 2m from others wherever possible
• Wear a mask when distancing is not possible
• Washing your hands often, for at least 20 seconds
• Avoiding contact with people who are sick
• Practising proper cough and sneeze etiquette

Here is a hand washing tutorial by the Center for Disease Control (CDC):